Chapter 7 Enhancing a Presentation (Class 5)

Chapter 7
Enhancing a Presentation

D. Answer these questions.

1. Write the steps to apply a theme to a presentation.
Ans – To apply a theme to our presentation:
Step 1: Click on Design tab.
Step 2: Click on More button in the Themes group.
Step 3: Choose a theme from the gallery and click on it to apply the theme to all the slides

2. Which command is used to preview the selected slide transition?
Ans – Preview command is used to preview the selected slide transition.

3. Write the steps to add picture background to a presentation.
Ans – Steps to add picture background to a presentation:
Step 1: Select the slide to which we want to apply the background.
Step 2: Click on Design tab.
Step 3: Click on Format Background option in the Customize group.
Step 4: Select Picture or texture fill option.
Step 5: To insert a picture from a file, choose File and select the picture that we want to insert.

4. Name the four options by which you can change the background of a slide.
Ans – The four options in which you can fill the background of a slide — Solid fill, Gradient fill, Picture or texture fill and Pattern fill

5. What is the use of slide transition in PowerPoint?
Ans – Slide transitions are the visual movements that we see when one slide changes into another slide during a slide show.

Chapter 5 Introduction to Excel 2013 (Class 6)

Chapter 5
Introduction to Excel 2013

A. Tick the correct answer and fill in the blank.
 

1. Excel is an spreadsheet application.
2. Collection of intersecting rows and columns is called a cell.
3. By default numbers are right aligned.
4. Name box is used to locate a specific cell on the worksheet.
5. Cell address helps to refer each cell in the worksheet.

B. Fill in the blanks using the given words.

1. Three types of data that can be entered in excel worksheet are text, number and formula.
2. The cell having a bold boundary is called active cell.
3. Name box displays the cell address of the active cell.
4. Cell address is column Letter followed by row number.
5. Sheet tab displays the name of worksheets

C. Write T for true or F for false.

1. Excel is used to create text document. FALSE
2. Two types data can be entered in an Excel workbook. FALSE
3. The active cell is bordered with a dark outline. TRUE
4. There are 16,384 rows and 1,048,576 columns in a worksheet. FALSE
5. Data entered, appears in formula bar as well as in the active cell. TRUE
6. Keyboard shortcut to select entire worksheet is Ctrl + A. TRUE

D. Answer in short.

1. What is Excel?
Ans – Excel 2013 is one of the most popular spreadsheet application.

2. What do you mean by cell address? Give suitable example.
Ans – Each cell on the worksheet has a unique address that helps to refer it in the worksheet. For example, A10 is cell address where A is the column name and 10 is the row name.

3. What are the three type of data that can be entered in Excel?
Ans – Three types of data that can be entered in an Excel worksheet are: Text, Number and Formula.  

E. Answer in detail. 

1. Differentiate between Workbook and Worksheet.
Ans – An Excel document is called a workbook which is the basic Excel file. It is a collection of multiple worksheets (spreadsheet). A worksheet is a spreadsheet made up of columns and rows.

2. Explain briefly about any three components of Excel.
Ans – Rows: Rows are represented horizontally from top to bottom in the worksheet. Rows are labelled as 1, 2, 3 and so on. There are 1,048,576 rows in a worksheet.
    Columns: Columns are represented vertically from left to right. There are total 16,384 columns in a worksheet. Columns are labelled as letters A, B, C and so on up to XFD. Name Box: It displays the cell address of the active cell.

3. How do you select range of cells?
Ans - Range of cells can be selected:
    Using mouse: To select a range of cells using mouse, point your mouse pointer to the first cell of the range and drag the left mouse button until all the required cells are selected.
    Using keyboard: To select a range of cells using keyboard, press the Shift key and move to the lower last cell of the range using Arrow keys.

4. Write steps to rename a worksheet.
Ans - To rename a worksheet:
    Step 1: Double-click the sheet name in the Sheet tab.
    Step 2: Enter new name and press Enter key.

Chapter 5 Let’s Learn Flash (Class 7)

CHAPTER 5
Let’s Learn Flash

A. Tick the correct answer and fill in the blank.

1. The Stage of the Flash workspace is used to create scenes of a movie.
2. Layers are like the transparent sheets stacked one over the other containing different image.
3. Timeline consists of two components-frames and layers.
4. The number of sides in the polygon can be from 3 to 32.
5. The flash document is saved with an extension   .fla.

B. Fill in the blanks using the given words.

1. Flash animations can be used for creating games.
2. Pencil tool is used to draw freehand shapes on Flash stage.
3. There are five modes of Eraser tool.
4. Ink bottle tool is used to change the outline color, style and thickness of existing shape.
5. Paint bucket tool used to fill an object with color.

C. Match the following.
 

D. Answer in short.

Que 1 Name any two drawing tools used to create basic geometrical shapes.
Ans - Polystar Tool and Rectangle Tool are used to create basic geometrical shapes.

Que 2 Define frame and layers?
Ans – Frames: Frames are small slices of time that are combined and played back in a sequence to create animation.
    Layer: Layers are like the transparent sheets stacked one over the other each containing different images. Each layer contains its own timeline with endless frames.

Que 3 What are animations?
Ans – Animations are the special visual effects to add the illusion of motion in the still object.

E. Answer in detail. 

Que 1 What is the use of Timeline in Flash CS6?
Ans – The Timeline is used to set the sequencing and timings of various objects and other elements of a Flash movie.

Que 2 What is the use of Line and Pencil tool?
Ans – Line tool – It is used to draw lines on the stage.
          Pencil tool – It is used to draw freehand lines.
       
Que 3 How do you add text in Flash document?
Ans - To add text in Flash document:–
Step 1: Click on Text tool.
Step 2: Change the Font, Font Size, Text Color from the Properties panel.
Step 3: Click on the stage and type your text.

Que 4 How can you change the color of the Flash document?
Ans - To change the color of the Flash document-
Step 1: Click on Modify from the menu bar and choose Document option. The Document Settings dialog box will open.
Step 2: Set Background color, Stage size (width x height), etc.
Step 3: Click on OK button.

Que 5 Explain the following modes of eraser:
a. Eraser Normal            b. Erase Fills                c. Erase Lines
 
Ans – a. Erase Normal: This mode erases all the objects on the stage on which you drag the eraser.
          b. Erase Fills: This mode erases only fills with lines remaining unaffected.
          c. Erase Lines: This mode erases only lines but the fills remain unaffected.

Chapter 7 Let's Use PowerPoint 2010 (Class 4)

Chapter 7
Let's Use PowerPoint 2010

D. Answer these questions.

1. What is the use of Power Point?
Ans - PowerPoint is a presentation software used to create presentations.

2. What is the presentation?
Ans - A presentation communicates an idea or a message effectively to a large group. It displays information
along with objects such as, images, text and sound.

3. What is a slide?
Ans - A slide is like an individual page in a presentation.

4. What is a theme? Name any one theme in PowerPoint 2010.
Ans - A theme is a set of background designs, font styles, colors, and layouts. Austin theme is one of the themes PowerPoint 2010.

5. What is WordArt? How do you insert WortArt text on a slide?
Ans - WordArt is used to insert attractive text in a slide. Steps to insert WordArt text on a slide:
Step 1: Click on the Insert tab.
Step 2: Click on WordArt in the Text group. A gallery appears with different WordArt styles.
Step 3: Click the style of your choice. A WordArt text box appears on the slide  
Step 4: Type your text in the box and click outside it.

6. How will you insert a picture in a slide?
Ans - We can insert our saved pictures on the slide using Pictures command.
 Step 1: Click on Insert tab on the Ribbon.
 Step 2: Click on Picture from the Images group. The Insert Picture dialog box appears.
 Step 3: Select the picture to be inserted.
 Step 4: Click on Insert button

7. What is a Slide Show? Write the steps to view Slide Show.
Ans - Slide show means presenting all the slides one by one, on full screen. A slide show can be viewed from the beginning of the slides or from the current slide.
 Step 1: Click on Slide Show tab.
 Step 2: Click on From Beginning or From Current Slide in the Start Slide Show group.

 

 

Workbook Class 6 Science Chapter 10 Motion and Measurement of Distances

Chapter 10

Motion and Measurement of Distances

I. Answer the following questions in brief:

Q.1. What type(s) of motion(s) does a ball rolling on the ground have? 

Ans - The rolling ball on the ground shows rectilinear motion as well as rotational motion. 

Q.2. Write the similarities and differences between the motion of the earth around the sun and the wheel  of bicycle.

Ans - Similarities: The motion of the earth around the sun and the wheel of bicycle shows periodic motion.

Differences: The motion of the wheel of bicycle shows rectilinear motion which is not shown by motion at earth around the sun.

Q.3. The height of a tree is 783 cm. Express it in m and mm.

Ans - Given 783 cm

1 cm  = 1 / 100 m 783/100 = 7.83 m

1 cm = 10 mm 783 x 10 = 7830 mm

Q.4. Which measuring device would you choose to measure the girth (thickness) of a tree trunk: metre rod or measuring tape? Why?

Ans - We choose a measuring tape because it can bend around the girth of a tree trunk so it is more suitable measuring device.

Q.5. What type of motion does the string of a guitar have?

Ans - The string of a guitar have periodic motion.

Q.6. The distance between Pooja's home and Charminar is 37281 m. Express this distance in km.

Ans - 1 Km = 1000 m

37281 / 1000  = 37.281 Km

Q. 7 While measuring the length of a sheet of paper, the reading of the scale at one end is 3.8 cm and at the other end is 17.5 cm. Find the length of the sheet.

Ans - 17.5 - 3.8 = 13.7 cm

II. Given one term for each of the following:

(a) Motion in which an object repeats its motion after some time. Periodic Motion  

(b) Length of path between two places. Distance.

(c) Comparison of an unknown quantity with some known quantity. Measurement

(d) Type of motion in which the moving object remains at a constant distance from a fixed point. Circular Motion

(e) Motion in a straight line  rectilinear motion

(f) Unit of length in SI units. Metre

III. Fill in the blanks:

(a) The French created the metric system in 1790.

(b) While taking measurement, the eye must be exactly in front of the point where the measurement is to be taken.

(c) A pendulum undergoes Periodic motion.

(d) 3.278 km = 3278 m.

(e) A ball rolling on the ground undergoes rectilinear as well as rotational motion.

(f) The proper device for measuring the girth of a tree is a measuring diameter tape.

IV. State whether True or False.

(a) 1234 cm = 1.234 km (False)

(b) A footstep is a standard unit of length. (False)

(c) A measuring tape is a suitable device for measuring the length of a curved line. (True)

(d) A scale with broken ends can be used to measure the length of a line. (True)

(e) An object cannot have more than one type of a motion at a time. (False)

(f) The needle of a sewing machine undergoes periodic motion. (True)

V. Given one term for each of the following:

(a) Table   -  Periodic motion

(b) 328 m -  328000 mm

(c) Bullock Cart  - Animal Power 

(d) Sprinter  - Rectilinear motion

(e) 3.28 km  - 328000 cm

(f) Rail engine  - Steam power

VI. Choose the correct alternative:

(i) Motion of earth around the sun is an example of 

Ans (a) periodic motion

(ii) 3258 cm = 

Ans (a) 32.58 m 

(iii) In the figure given below, the proper position of the eye for taking a reading of the scale is 

 

Ans (b) B

(iv) You would measure the size of your chest using 

Ans (b) measuring tape

(v) The pendulum of a clock undergoes

Ans (c) Periodic motion

(vi) In the figure given below, the length of the line XY is 

 

Ans (c) 3.5 cm

 

NCERT Solutions for Class 6 Science Chapter 10 Motion and Measurement of Distances

 Chapter 10

Motion and Measurement of Distances

 

1. Give two examples each of modes of transport used on land, water and air.
Ans: (i) Land —Bus, truck, train.
        (ii) Water—Ship, boat.
        (iii) Air   —Aeroplane, Helicopter.

2. Fill in the blanks:
(i) One metre is 100 cm.
(ii) Five kilometre is 5000 m.
(iii) Motion of a child on a swing is periodic motion.
(iv) Motion of the needle of a sewing machine is periodic motion .
(v) Motion of wheel of a bicycle is circular motion.

3. Why can a pace or a footstep not be used as a standard unit of length?
Ans: Because a pace or a footstep of each and every person is not equal.

4. Arrange the following lengths in their increasing magnitude :
1 metre, 1 centimetre, 1 kilometre, 1 millimetre.
Ans: Ascending order of length:
1 millimetre < 1 centimetre < 1 metre < 1 kilometre

5. The height of a person is 1.65 m. Express it in cm and mm.
Ans: (a) 1 metre = 100 cm
              1.65 m = 1.65 x 100 cm

              = 165 cm
         (b) 1 metre = 1000 mm

               1.65m = 1.65 x 1000 mm

               = 1650 mm.

6. The distance between Radha’s home and her school is 3250 ,m. Express this distance in km.
Ans : 1km = 1000 m
Hence 3250 m = 3.25 kms

7. While measuring the length of a knitting needle, the reading of the scale at one  end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
Ans:  Length of the needle = 33.1 cm – 3.0 cm = 30.1 cm.

8. Write the similarities and differences between the motion of a bicycle and a ceiling fan that has been switched on.
Ans: (i) Similarity: Both the wheel of a bicycle and a ceiling fan exhibit motion on a fixed axis.
(ii) Dissimilarity: Bicycle moves forward thus executes rectilinear motion but fan does not show such motion.

9. Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?
Ans:  An elastic measuring tape gives incorrect length of the distance between two points.
Reasons:
(i) The length of the elastic tape varies and depends upon the force by which it is stretched.
(ii) Measurement would vary between 2 or 3 readings even when measured by the same person and by the same elastic tape.
(iii) Measurement would also vary if different persons measure the same distance.

10. Give two examples of periodic motion.
Ans: (i) Oscillations of a pendulum.
(ii) Motion of swing/motion of earth round the sun.

Workbook Class 6 Science Chapter 9 The Living Organisms and Their Surroundings

 Chapter 9 

The Living Organisms and Their Surroundings

 

I. Answer the following questions in brief:

Q.1. How do plants and animals living in water breathe?

Ans. Plants and animals living in water can breathe air or take oxygen from dissolved oxygen in water.

Q.2. Why do camels have long legs?

Ans. The camels long legs helps to keep their bodies further away from hot ground.

Q.3. What is acclimatization?

Ans. The process of changes that can occur in an organism over a short period of time that helps it to adjust to it surroundings is known as acclimatization.

Q.4. What is the use of needle like leaves to the trees in mountains?

Ans. The needle like leaves to the trees in mountains help in a) reduce transpiration. b) sliding off the snow c) absorbing sunlight.

Q.5. Why do lions eyes in front of the face?

Ans. The lion has eyes in front of the face because they can find their prey easily when they are too far or near like deers, zebra, etc. 

Q. 6. Why do deer have eyes on the side of the head?

Ans. A deer has eyes on the sides of its head because this enables the animals to see predators approaching from the side as well as from behind.

Q. 7. Why do some aquatic plants have narrow and thin ribbon like leaves?

Ans. Some aquatic plants have a narrow & thin ribbon like leaves, so that they can easily bend with flowing water.

Q. 8. Photosynthesis in plants occurs during the day. When does respiration take place in them?

Ans. Respiration takes place in them all the time - both day and night.

Q. 9. Why is is warm inside a sack of wheat?

Ans. Because the seeds inside the sack of wheat respire and they give out some heat.

Q. 10. How does adaptation lead to variety of organisms in different habitats?

Ans. Living organisms are adapted to different. This means that the way they look, the way they behave, how they are built, or their way of life makes them suited to survive and reproduce in their habitats. Behavior is also an important adaptation. Animals inherit many kinds of adaptive behavior.

Q. 11. How do squids and octopuses adapt to living in sea? Give any three points.

Ans. a) These animals have gills to help them use oxygen dissolved in water.

b) Their tentacles allow them to catch any prey.

c) When they move in water they make their body shapes streamlined.

Q. 12. Name any two animals that live in water but not have gills. How do they then survive in it?

Ans. The two aquatic animals without gills are dolphins and whales. These animals come to the water surface in order to breathe as they can't breathe underwater without gills. Whales and dolphins are mammals and they breathe air into their lungs.

II. Give one term for each of the following:

(a) Changes in our surroundings that make us respond to them Stimuli.

(b) The surroundings where an organism lives Habitat.

(c) The presence of specific features or habits which enable an organism to live in its surroundings. Adaptation.

(d) Animals like lions that hunt for their prey. Predators

(e) The process of getting rid of wastes by living beings Excretion

(f) Non-living component of a habitat. Abiotic

III. Fill in the blanks:

(a) Respiration is needed by organisms to obtain energy from the food they consume.

(b) Ponds, lakes, rivers and oceans are example of aquatic habitats.

(c) Predators hunt for their Prey

(d) The process of producing more of their kind of living organisms is called reproduction.

(e) Fish breathe through gills under water.

(f) Whales breathe in air through nostrils called blowhole.

IV. State whether True or False

(a) Deer have eyes in front of the face to have a correct idea about the location of their predator. False

(b) Acclimatization is another form of adaptation. False

(c) Non-Living things do show some characteristics of living organisms. False

(d) Dolphins can breathe under water. False

(e) The mountain goat has strong hooves for running up the rocky slopes of the mountains. True

(f) Some harmful or poisonous materials do get produced in plants as wastes. True

V. Match the following:

(a) Stimulus - (vii) Response

(b) Fish - (v) Gills

(c) Excretion - (iv) Secretions

(d) Potato - (ii) Energy

(e) Respiration - (iii) Birds & (vi) Nostrils

(f) Frog - (i) Webbed feet

VI. Select the correct alternative:

(i) Which of them do/does NOT have a streamlined body?

Ans (c) Squid

(ii) The plant whose leaves fold when someone touches them is 

Ans (c) Mimosa

(iii) The fleshy part of the cacti is 

Ans (a) stem

(iv) Which of the following is NOT necessary for an organism to live?

Ans (d) All of these are necessary

(v) Trees in mountain regions have needle like leaves

Ans (c) to help the rainwater and snow to slide off easily

(vi) Which of the following help(s) a camel to the conditions in a desert?

Ans (d) All of these

 

H.W. (VII) Complete the following word-puzzle using the clues given below:

Class 8 Chapter 6 Let’s Learn Photoshop

Chapter 6
Let’s Learn Photoshop

D. Answer in short.

Que 1. Name the three kinds of Eraser in Photoshop.
Ans - There are three types of Eraser in Photoshop.
Eraser Tool: To erase all those areas of an image on which we drag the mouse pointer.
Background Eraser Tool: To erase the background color from a layer of an image.
Magic Eraser Tool: To erase the areas of an image that share common color pixels.

Que 2. What is Photoshop?
Ans – Adobe Photoshop or simply called Photoshop is a photo editing software. It is used to edit, manipulate and recolor photographs and create special effects.
 
Que 3 How do you start Photoshop?
Ans - To start Photoshop–
Step 1: Click on Start button.
Step 2: Select Adobe Master Collection CS6.
Step 3: Click on Adobe Photoshop CS6.


E. Answer in detail.

Que 1. Write the use of Magic Wand Tool.
Ans - The Magic Wand is one of Photoshop's most powerful selection tools. It is a selection tool and used to quickly select the area of an image with a similar color just by single click.

Que 2. What is the use of Crop Tool? How do you crop an image?
Ans – The Crop Tool is used to keep only the selected part and remove the remaining portion.
Step 1: Click on Crop Tool.
Step 2: Drag over on the image to select the part of our image to be
retained. A cropping border will appear on the image. If we want to
change the selection size, we can use the crop handles.
Step 3: Press Enter key to Crop.

Que 3. How is Lasso Tool different from Marquee Tool?
Ans – The Marquee Tool provides various options to select the area of an image. It can be in rectangular, circular, elliptical or square shapes. The Lasso Tool is used for making a freehand selection. It helps to quickly select image along its edges.

Chapter 6 Formatting Slides in PowerPoint (Class 5)

Chapter 6
Formatting Slides in PowerPoint

D. Answer these questions.

Que 1. What is the use of built-in templates in PowerPoint?
Ans - Templates contain layouts, colors, fonts, effects, background styles for slides. PowerPoint offers many built-in templates.

Que 2. How will you add additional text in your slide?
Ans - To add additional text in your slides we use text box option.
      Step 1: Click on Insert tab.
      Step 2: Click on Text box option.
      Step 3: Drag the mouse pointer on the slide where we want to add the text.
      Step 4: Enter the text as needed.

Que 3. Write the steps to insert slides in a presentation.
Ans - We can insert new slides in a presentation.
      Step 1: Click on Home tab.
      Step 2: Click on New Slide.
      Step 3: Choose and click on a type of layout for the slide.

Que 4. What is the use of Align text?
Ans - Align text command is used to align the text between top and bottom edges of the placeholder. The options are Top, Middle and Bottom.

Chapter 6 Computer Memory (Class 4)

Chapter 6
Computer Memory

E. Answer these questions.

Que 1. Name the two types of computer memory.
Ans - There are two types of memory devices:

• Primary memory devices
• Secondary memory devices.

Que 2. What is the use of secondary memory? Give any two examples.
Ans - Secondary memory is needed in the computer to store data or information for a long period of time. Examples are CD, DVD, Blu-ray, pen drive, memory card, hard disk, etc.

Que 3. Write any one difference between RAM and ROM.
Ans - The difference between RAM and ROM are

	RAM	ROM
1	RAM Stands for Random Access Memory.	ROM Stands for Read Only Memory.
2	RAM store data or information temporary.	ROM store data or information permanently.
3	It is Volatile memory.	It is Non-volatile memory.

Que 4. Why are pen drives more popular than CDs/DVDs?
Ans - Pen drives are more popular than CD/DVDs because it is a portable storage device that can carried in a pocket and storage capacity of pen drive is much higher than CD/DVD.

Que 5. What is a byte?
Ans - A byte of memory is used to store a single character (a letter or a number). 1 byte is equal to 8 bits.

Que 6. What is a hard disk? What is its maximums storage capacity?
Ans -  Hard disk is the main secondary storage device that stores large amount of data permanently. Its maximums storage capacity is 5 TB.

Que 7. What is the use of SSD?
Ans - SSD (Solid State Drive) is a latest technology use to stores data permanently which has begun to replace the hard disk. It is  3 times faster than the hard disk but, it is little expensive than a hard disk.