Earth Systems
Space Systems
Matter
Ecosystems
Vocabulary
100

Which Earth system includes all living things?

Biosphere

100

What causes day and night on Earth?

Earth's rotation

100

Anything that has mass and takes up space

Matter

100

What do we call an organism that makes its own food using sunlight?

Producer

100

Information collected during an experiment, such as measurements or observations, is called what?

Data

200

Which Earth system includes air and weather?

Atmosphere

200

How long does Earth take to orbit the sun?

One year

200

During evaporation, water turns from a liquid to a what?

Gas

200

What breaks down dead plants and animals in an ecosystem?

Decomposers

200

When scientists use their senses or tools to notice and record information, this is called what?

Observation

300

What is the water cycle process called when water vapor cools into clouds?

Condensation

300

What force keeps planets orbiting the sun?

Gravity

300

Is melting ice a physical or chemical change?

Physical

300

If a predator population increases too much, what will most likely happen to the prey population?

It will decrease (goes down)

300

A conclusion based on observations and prior knowledge is called what?

Inference

400

Which Earth system includes rocks, soil, and landforms?

Geosphere

400

The pattern of stars seen in the night sky that forms a recognizable shape is called what?

Constellation

400

Two or more substances combined without changing chemically

Mixture

400

What do arrows in a food web show?

The flow of energy

400

Facts, data, or observations that support a scientific claim are called what?

Evidence

500

Explain one way the hydrosphere and atmosphere interact.

Evaporation/precipitation

500

Earth rotates on an imaginary line that runs through the North and South Poles. What is this imaginary line called?

The axis

500

Name the three common states of matter.

Gas, liquid, solid

500

When living and nonliving things interact together in an environment, what is this called?

An ecosystem

500

A diagram, replica, or representation used to explain something in science is called what?

Model

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