An eruption happens when something bursts through a surface.

What might you see and hear during the eruption

of a volcano?

The depths of something are its deepest parts.

What might an explorer find in the depths of the

ocean?

Something that happens gradually happens very slowly over time.

Which of these events happens gradually – a pond warming up in the sun, or a bolt of lightning striking a

tree?

When something is revealed, it was hidden but can now be seen.

How could a puppy hiding under a blanket

be revealed?

To contract means to get smaller by shrinking.

What might cause a snail to contract into its shell?

If something is constant, it happens without stopping.

What is an example of a constant sound?

An immediate event is one that happens right away.

How would you feel if you said “Hi” to someone

and did not get an immediate response?