Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
[6] Changes Around Us
Chapter: [6] Changes Around Us
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Paheli mixed flour and water and
- made a dough,
- rolled the dough to make a chapati,
- baked the chapati on a pan,
- dried the chapati and ground it in a grinder to make powder.
Identify the changes (i) to (iv) as the changes that can be reversed or that cannot be reversed.
[6] Changes Around Us
Chapter: [6] Changes Around Us
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lt was Paheli’s birthday, her brother Simba was helping her to decorate the house for the birthday party and their parents were also busy making other arrangements. Following were the activities going on at Paheli’s home:
- Simba blew balloons and put them on the wall.
- Some of the balloons got burst.
- Paheli cut colourful strips of paper and put them on the wall with the help of tape.
- She also made some flowers by origami (paper folding) to decorate the house.
- Her father made dough balls.
Mother rolled the dough balls to make puries.
- Mother heated oil in a pan.
- Father fried the puries in hot oil.
Identify the activities at Paheli’s home as those that can be reversed and those which cannot be reversed.
[6] Changes Around Us
Chapter: [6] Changes Around Us
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Which of the following terms constitute the female part of the flower?
[4] Getting to Know Plants
Chapter: [4] Getting to Know Plants
Concept: undefined >> undefined
Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
Concept: undefined >> undefined
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.
The length of the ribbon is between
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
Concept: undefined >> undefined
Read the function of parts of a plant given below:
- Fixes plant to the soil
- Prepares starch
- Takes part in reproduction
- Supports branches and bears flowers
In the diagram given in the following figure, write the names of the parts whose functions you have just read at the appropriate space.
[4] Getting to Know Plants
Chapter: [4] Getting to Know Plants
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Draw the veins of leaves given in the following figure below and write the type of venation.
[4] Getting to Know Plants
Chapter: [4] Getting to Know Plants
Concept: undefined >> undefined
Bholu and Golu are playing in the ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively as shown in the following figure. Which of the following is/are true for the given situation.
As compared to Golu, Bholu covers a
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
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Write one example of the following type of motion.
Rectilinear
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
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Match the events related to motion in Column I with the types of motions given in Column II.
| Column I |
Column II |
| (a) |
A moving wheel of a
sewing machine |
(i) |
Circular motion |
| (b) |
Movement of tip of the minute
hand of a clock in one hour |
(ii) |
Rotational motion |
| (c) |
A moving swing |
(iii) |
Periodic motion |
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
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Three students measured the length of a corridor and reported their measurements. The values of their measurements were different. What could be the reason for difference in their measurements? (Mention any three)
[7] Motion and Measurement of Distances
Chapter: [7] Motion and Measurement of Distances
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Very Short Answer Type Questions:
Give two examples where two or more parts of a single plant are used as food.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
Concept: undefined >> undefined
Very Short Answer Type Questions:
Name any one plant that grows in water and is eaten as food.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
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Very Short Answer Type Questions:
Name two sugar producing plants.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
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Very Short Answer Type Questions:
Name a non-green plant that we eat.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
Concept: undefined >> undefined
Very Short Answer Type Questions:
Name the three products each provided by plants and animals.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
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Very Short Answer Type Questions:
Name three edible (eatable) parts of plants.
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
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Very Short Answer Type Questions:
Which part of the plants do we eat generally?
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
Concept: undefined >> undefined
Very Short Answer Type Questions:
Which type of seeds give more energy, sprouted seeds or normal seeds?
[1] Food: Where Does It Come From?
Chapter: [1] Food: Where Does It Come From?
Concept: undefined >> undefined
