OD4 Units 1-2 Revision

People can't built this.

• observatory

• spacecraft

• star

• telescope

This is bright in the night sky.

• star

• comet

• observatory

• asteroid

This doesn't travel through space.

• telescope

• comet

• meteorite

• asteroid

What is a synonym word for "big".

What is a synonym word for "small".

Can you explain the word "dwell"?

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OFF

Can you explain the word "speck"?

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OFF

Guess the correct word.

• core

• surface

• crater

• matter

Guess the correct word.

• diameter

• distance

• crater

• unique

Guess the correct word.

• diameter

• distance

• crater

• unique