Question 1

Which of the following is the most important source of heat and light for the Earth?

Accepted Answer

The Sun

Answer

The Moon

Answer

The Stars

Answer

The Planets

Question 2

What do plants need in order to make their own food?

Accepted Answer

Sunlight, Water, and Carbon Dioxide

Answer

Sunlight, Carbon Dioxide, and Chlorophyll

Answer

Sunlight, Oxygen, and Water

Answer

Sunlight, Water, and Chlorophyll

Question 3

What is the process by which water changes from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Freezing

Answer

Precipitation

Answer

Condensation

Question 4

What is the main function of the circulatory system?

Accepted Answer

To transport oxygen and nutrients throughout the body

Answer

To defend the body against germs and disease

Answer

To break down food and absorb nutrients

Answer

To control and coordinate the body's movements

Question 5

What type of energy is stored in food?

Accepted Answer

Chemical Energy

Answer

Mechanical Energy

Answer

Electrical Energy

Answer

Thermal Energy

Question 6

What is the main function of the nervous system?

Accepted Answer

To send and receive messages throughout the body

Answer

To transport oxygen and nutrients throughout the body

Answer

To break down food and absorb nutrients

Answer

To defend the body against germs and disease

Question 7

What do we call the process by which plants release oxygen into the air?

Accepted Answer

Photosynthesis

Answer

Transpiration

Answer

Respiration

Answer

Evaporation

Question 8

What is the force that keeps planets in orbit around the Sun?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Inertia

Answer

Friction

Question 9

What is the process by which a solid changes directly into a gas without becoming a liquid first?

Accepted Answer

Sublimation

Answer

Freezing

Answer

Melting

Answer

Condensation

Question 10

What is the basic unit of life?

Accepted Answer

The Cell

Answer

The Molecule

Answer

The Organ

Answer

The Atom

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