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Exploring the Wonders of Science

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the chemical symbol for water?

a)

H2O3

b)

H2O

c)

H2O2

d)

O2H

2.

What planet is known as the Red Planet?

a)

Jupiter

b)

Venus

c)

Mars

d)

Saturn

3.

What gas do plants absorb from the atmosphere?

a)

Hydrogen

b)

Carbon dioxide

c)

Nitrogen

d)

Oxygen

4.

What is the process by which plants make their food?

a)

Photosynthesis

b)

Transpiration

c)

Respiration

d)

Digestion

5.

What is the largest organ in the human body?

a)

Heart

b)

Skin

c)

Liver

d)

Lungs

6.

What is the speed of light in a vacuum?

a)

150,000,000 meters per second

b)

300,000,000 meters per second

c)

299,792,458 meters per second

d)

299,792 kilometers per second

7.

What are the three states of matter?

a)

plasma, vapor, foam

b)

solid, liquid, plasma

c)

gas, liquid, crystal

d)

solid, liquid, gas

8.

What is the powerhouse of the cell?

a)

Nucleus

b)

Mitochondria

c)

Chloroplast

d)

Ribosome

9.

What is the main source of energy for the Earth?

a)

Nuclear fusion

b)

Geothermal energy

c)

The Sun

d)

The Moon

10.

What is the force that pulls objects toward the Earth?

a)

Magnetism

b)

Friction

c)

Gravity

d)

Electromagnetism