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Worksheet: Air, Water & Food | Science Olympiad for Class 1 PDF Download

Multiple Choice Questions (MCQs)

Q.1. Which of these is essential for a plant to grow?
A: Air
B: Chocolate
C: Toys
D: Books

Worksheet: Air, Water & Food | Science Olympiad for Class 1

Q.2. What happens to water when it freezes?
A: It becomes steam
B: It turns into ice
C: It evaporates
D: It becomes fog

Worksheet: Air, Water & Food | Science Olympiad for Class 1

Q.3. Which item can show that air occupies space?
A: A bottle filled with sand
B: An empty balloon
C: A rock
D: A cup of water

Q.4. Which of the following can pollute our air?
A: Riding a bicycle
B: Burning leaves
C: Drinking water
D: Eating food

Q.5. What do we call the water bodies like oceans and rivers?
A: Living things
B: Natural resources
C: Food
D: Air

Worksheet: Air, Water & Food | Science Olympiad for Class 1

Fill in the Blanks

Q.1. ___ is necessary for burning things.

Q.2. We use ___ to quench our thirst.

Q.3. Plants use sunlight, water, and ___ to make their food.

Q.4. ___ helps to keep our body healthy.

Q.5. The process of water turning into vapor is called ___.

True or False

Q.1. Air is visible.

Q.2. Drinking dirty water is good for health.

Q.3. All living things need food, air, and water.

Q.4. We can breathe underwater like fish.

Q.5. Rainwater is a good source of fresh water.

Match the Following

Column AColumn B
1. Air helps ina) burning
2. Wells provideb) water from plants
3. Water is needed forc) cleaning floors
4. Carrots ared) roots we eat
5. Tea is made frome) leaves of the tea plant
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FAQs on Worksheet: Air, Water & Food - Science Olympiad for Class 1

1. What are the three essential elements for life mentioned in the article?
Ans. The three essential elements for life mentioned in the article are air, water, and food.
2. Why is air important for living organisms?
Ans. Air is important for living organisms because it contains oxygen, which is necessary for breathing and for the process of respiration.
3. How does water benefit our bodies?
Ans. Water benefits our bodies by keeping us hydrated, helping with digestion, regulating body temperature, and transporting nutrients to cells.
4. Can we survive without food, and if so, for how long?
Ans. While we can survive without food for a limited time, generally a person can survive without food for about 1 to 2 months, depending on their hydration and overall health.
5. What are some examples of healthy foods we should eat?
Ans. Some examples of healthy foods include fruits, vegetables, whole grains, lean proteins, and nuts, which provide essential nutrients for our body.
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