Question

Design Technology Quick Check
2 of 52 of 5 Items
Question
What happens to some metals when the kinetic energy of their particles is decreased?(1 point)
Responses

They expand.
They expand.

They contract.
They contract.

They melt.
They melt.

They conduct.
They conduct.

Answer 1

When the kinetic energy of particles in some metals is decreased, they contract. So the correct response is:

**They contract.**