U3W1 In-Context Vocabulary

Front

What is a globe?

Back

A model of Earth.

Front

What is the solar system?

Back

A group of planets and their moons orbiting a star.

Front

What does the word 'amount' mean?

Back

A quantity of something.

Front

Use 'solar system' in a sentence.

Back

We live in a solar system that includes the Sun and eight planets.

Front

Use 'amount' in a sentence.

Back

The amount of stars in the sky is countless.

Front

Use 'surface' in a sentence.

Back

The surface of the water was calm and clear.

Front

What is the definition of 'surface'?

Back

The outer layer of an object.

Front

What is the main star in our solar system?

Back

The Sun.

Front

How many planets are in our solar system?

Back

Eight planets.

Front

What do planets orbit around?

Back

A star.