BtheB 1.2 UNIT 7 Vocabulary

Which of the following can be seen by everyone?

• Hidden

• Invisible

• Visible

• Secret

When ice becomes water, it starts to ______.

• Form

• Melt

• Fluctuate

• Retreat

A piece of writing or a picture to promote something is called an ______.

• Erosion

• Advertisement

• Estimate

• Fairly

If two cars ______ on the road, they hit each other.

• Collide

• Float

• Constantly

• Appear

When something is moving up and down or changing regularly, it is said to ______.

• Erode

• Fluctuate

• Melt

• Retreat

The ______ number of people at the event was 500.

• Erosion

• Controversial

• Overall

• Public

This river flows through the ______ between the mountains.

• Valley

• Ruined

• Constantly

• Retreat

He is ______ tall compared to his friends, but not the tallest.

• Constantly

• Rapidly

• Relatively

• Appear

If something is ______, it is debated or creates disagreement.

• Controversial

• Fairly

• Visible

• Liquid

The process of soil wearing away due to wind or water is called ______.

• Retreat

• Erosion

• Fluctuate

• Estimate