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Science Riddles (Explore the Environment & Sustainability)

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Science Riddles (Explore the Environment & Sustainability)

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About this activity

Test your knowledge of the Environment and Sustainability strand with fun science riddles. Use clues and hints to solve each one. Topics include the water cycle, pollution, and conservation. Ideal for CBC Grades 7,8 and 9

Created by

MERCY MUTUNGA
MERCY MUTUNGA
Kenya

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Science Riddles (Explore the Environment & Sustainability)
 

Science Riddles (Explore the Environment & Sustainability)Online version

Test your knowledge of the Environment and Sustainability strand with fun science riddles. Use clues and hints to solve each one. Topics include the water cycle, pollution, and conservation. Ideal for CBC Grades 7,8 and 9

by MERCY MUTUNGA
1

I can be solid, liquid, or gas. You can’t always see me, but I’m always around. When I’m heated, I can change my state. What am I?

Hints

QR

Think of what everything around us is made of in different forms-solids like ice, liquid like water and gases like oxygen

2
QR

I help separate mixtures, Especially sand and water. I catch the solid parts, While the liquid passes after. What method am I?

Hints

This is a common method used at home and in the lab to clean dirty water or separate tea leaves from tea.

3
QR

light up homes and run machines, Sometimes I’m stored, sometimes I’m seen. I come in many forms like heat and sound. What am I?

Hints

Without me, nothing works not your phone, not the stove, and not even the sun.

4

I’m all around you, but you can't always see me. I help you breathe, and birds fly in me. Pollution makes me unsafe to share. What am I?

Hints

You inhale me every second, but you might only feel me when the wind blows.

5
QR

You wear me when things might splash, Or break or spill in a flash. I protect your eyes from every mess. What am I?

Hints

This safety gear is used during experiments to protect one of your most important body parts—your eyes.

6
QR

I help heat things without a stove, In a lab where chemicals rove. With a flame that’s blue and hot, Use me safely or you’ll get caught! What am I?

Hints

Used in science labs for heating, especially when using test tubes or beakers.

7
QR

I rise, I fall, I travel in air, Condense in clouds, then drop somewhere. From lakes and oceans I go and return, A never-ending path, for us to learn. What am I?

Hints

It includes stages like evaporation, condensation, and precipitation.

This natural process explains how rain forms and how water keeps moving on Earth.

8

I make leaves green, In sunlight I’m seen. I help make food with solar light, Giving plants their energy right. What am I?

Hints

Found in plant leaves—key to photosynthesis

9

I slow you down when you run, I help your shoes grip and get things done. I cause heat when hands you rub, And resist motion—give me a sub? What am I?

Hints

This force acts between two surfaces in contact and can slow or stop movement.

10

I’m a gas you breathe out, Plants take me in, no doubt. Too much of me warms the air, But I’m part of nature’s care. What am I?

Hints

This gas is released during respiration and needed for photosynthesis

 
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