Science for Children (Basics)
Science for Children (Nature)
Science (Age 12–14) – Physics
Science (Age 12–14) – Chemistry
Science (Age 12–14) – Biology & Earth
150

What planet do we live on?

Earth.

150

What star gives us light and heat?

The Sun.

150

What is the unit of force in the metric system?

Newton

150

What is H₂O commonly known as?

Water.

150

What is the basic unit of life?

The cell.

250

What do plants need to make food from sunlight?

Water, sunlight, and carbon dioxide.

250

What are the three states of matter?

Solid, liquid, and gas.

250

What type of energy does a moving object have?

Kinetic energy.

250

What is the center of an atom called?

The nucleus.

250

What layer of Earth do we live on?

The crust.

350

What force pulls objects down to the ground?

Gravity.

350

What animal changes from a caterpillar into a butterfly?

A butterfly.

350

What simple machine is a ramp?

An inclined plane.

350

What table organizes all chemical elements?

The Periodic Table.

350

What process turns liquid water into vapor?

Evaporation.

550

What gas do humans need to breathe?

Oxygen.

550

What do we call frozen water?

Ice.

550

What is the speed of light called when it travels in space?

The speed of light (about 300,000 km/s)

550

What gas do plants produce during photosynthesis?

Oxygen.

550

What organ pumps blood through the body?

The heart.

1000

What part of the body helps you think?

The brain.

1000

What do bees make?

Honey

1000

What law states that every action has an equal and opposite reaction?

Newton’s Third Law.

1000

What happens during a chemical reaction?

New substances are formed.

1000

What is the name of our galaxy?

The Milky Way.

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