Life Science
Earth Science
Matter
Forces and Motion
Space Science
100

What do plants need to make their own food?

Sunlight, water, and carbon dioxide

100

What layer of Earth do we live on?

The Crust

100

Matter is anything that has what two things?

Mass and volume (takes up space)

100

What force pulls objects toward Earth?

Gravity

100

What star is at the center of our solar system?

The Sun

200

What is the largest organ in the human body?

Skin

200

What causes day and night?

 Earth's rotation

200

What are the three common states of matter?

Solid, liquid, and gas

200

What simple machine is a ramp?

An inclined plane

200

What planet is known as the Red Planet?

Mars

300

What is the process by which plants make food?

Photosynthesis

300

What type of rock is formed from cooled lava or magma?

Igneous rock

300

What instrument measures temperature?

Thermometer 

300

What force occurs when two surfaces rub together?

Friction

300

How many planets are in our solar system?

Eight

400

What is an organism that makes its own food called?

Producer

400

What process changes water from a liquid to a gas?

Evaporation

400

When ice melts into water, what type of change occurs?

Physical Change

400

A change in an object's position is called what?

Motion

400

What causes the phases of the Moon?

The Moon's position relative to Earth and the Sun

500

What system in the human body carries blood throughout the body?

The circulatory system

500

What are the four main stages of the water cycle?

Evaporation, Condensation, Precipitation, and Collection

500

What is the smallest unit of matter?

Atom

500

What are the two forces acting on a falling parachute?

Gravity and air resistance

500

What galaxy contains our solar system?

The Milky Way

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