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8th Science

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

In ATP production, we lose some energy as...

a)

Carbon Dioxide

b)

Glucose

c)

Heat

d)

Water

2.

Yeast is a type of...

a)

fungus

b)

bacteria

c)

plant

d)

animal

3.

In aerobic respiration, Homer (a human) produces...

a)

Carbon dioxide, water and energy

b)

Carbon dioxide and water

c)

Water and energy

d)

Water and Carbon Dioxide

4.

When humans undergo anaerobic respiration, they produce...

a)

Water and carbon dioxide

b)

Water and lactic acid

c)

Lactic acid and energy

d)

Ethanol and energy

5.

In aerobic respiration, Homer (a human) produces...

a)

Carbon dioxide, water and energy

b)

Carbon dioxide and water

c)

Water and energy

d)

Water and Carbon Dioxide

6.

When vinegar and baking soda are combined, bubbles begin to form. Bubbles are evidence of a chemical reaction because they -

a)

A. are less dense than air.

b)

B. form at a fast rate.

c)

C. released a gas

d)

D. have no mass.

7.

WHERE DO PARASITES GET NUTRIENTS FROM?

4 lines
8.

WHAT HAPPEN WHEN WE APPLY FORCE TO A PLASTIC OBJECT?

4 lines
9.

WHAT IS THE CHEMICAL FORMULA OF SODIUM CHLORIDE?

4 lines
10.

What is ATP?

a)

The energy produced by plants and fungi

b)

The energy that comes from the sun

c)

The energy used by cells

d)

The energy produced by non living things