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Science Challenge

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the powerhouse of the cell?

a)

Nucleus

b)

Golgi Apparatus

c)

Ribosomes

d)

Mitochondria

2.

Which planet is known as the Red Planet?

a)

Venus

b)

Mars

c)

Jupiter

d)

Earth

3.

What is the atomic number of carbon?

a)

8

b)

7

c)

5

d)

6

4.

What causes the tides on Earth?

a)

Underwater volcanic activity

b)

Planetary alignment

c)

Gravitational forces exerted by the Moon and the Sun

d)

Magnetic field fluctuations

5.

What is the main function of a CPU in a computer?

a)

To water plants

b)

To execute instructions and perform calculations

c)

To make coffee

d)

To play music

6.

What is the process by which plants make their food called?

a)

Photosynthesis

b)

Mitosis

c)

Respiration

d)

Chloroplast

7.

What is the study of stars, planets, and galaxies called?

a)

Biology

b)

Astronomy

c)

Chemistry

d)

Geography

8.

What is the chemical symbol for gold?

a)

Au

b)

Ag

c)

Fe

d)

Pt

9.

What layer of the Earth's atmosphere protects us from UV radiation?

a)

Nitrogen layer

b)

Ozone layer

c)

Carbon layer

d)

Argon layer

10.

What is the smallest unit of matter?

a)

Atom

b)

Molecule

c)

Quark

d)

Cell

11.

What is the study of the Earth's physical structure and substance called?

a)

Meteorology

b)

Geology

c)

Astronomy

d)

Botany

12.

What is the largest planet in our solar system?

a)

Mars

b)

Neptune

c)

Jupiter

d)

Saturn

13.

What is the chemical formula for water?

a)

HO2

b)

H2O

c)

H3O

d)

O2H

14.

What is the study of the composition, structure, properties, and reactions of matter called?

a)

Physics

b)

Geography

c)

Chemistry

d)

Biology

15.

What is the process of a liquid turning into a gas at the surface of the liquid called?

a)

Precipitation

b)

Condensation

c)

Sublimation

d)

Evaporation

16.

What is the study of living organisms called?

a)

geology

b)

biology

c)

chemistry

d)

astronomy

17.

What is the name of the closest star to Earth?

a)

Mars

b)

Venus

c)

Moon

d)

Sun

18.

What is the SI unit of temperature?

a)

Meters (m)

b)

Kelvin (K)

c)

Celsius (C)

d)

Fahrenheit (F)

19.

What is the study of the universe beyond Earth's atmosphere called?

a)

Biology

b)

Astronomy

c)

Astrology

d)

Chemistry

20.

What is the process of the Earth's crust moving called?

a)

earthquake drift

b)

crust shuffle

c)

continental drift

d)

plate tectonics