Science 4 review

Which of the following has the highest absorption rate?

• Coin

• Cotton

• Sponge

• Cloth

A leaf was placed outside, what do you think would happen to the leaf after leaving it for days?

• It will decay

• It will stay

Which among these materials has the lowest absorption rate?

• Cloth

• Cotton

• Sponge

• Coin

Based on the experiment, how can you differentiate that plastic spoon floats more than the metal spoon?

• The plastic spoon is heavier

• The plastic spoon is lighter

• The plastic spoon sank because it is heavier

• Both spoons float

What is the other term for materials that are decaying?

• Biodegradable

• Recyclable

A certain material does not have the ability to naturally decay. What do you call this type of material?

• Metal Spoon

• Stone

• Recyclable

• Reusable

What type of material has the ability to naturally decay?

• Reusable

• Nonbiodegradable

You observe outside of the school, you see small, dried leaves. It has the ability to decay, what do you call this type of material?

• Nonbiodegradable

• Reusable

• Recyclable

• Biodegradable

Which of the materials has the ability to absorb or hold liquid?

• Sponge

• Coin

• Spoon

Which among these materials will sink faster?

• Plastic

• Coin