LEAP 2025 Science Grade 7 Chapter 2

LEAP 2025 Science Grade 7 Chapter 2 Sample

1 pt
1.

Francisco heated soup in a metal pan on the stove. He noticed that the soup was about to boil over. He quickly grabbed the handle of the pan to remove it from the heat. Just as quickly, he let go of the pan because he burned his hand. What kind of heat transfer occurred through the metal handle of the pan?

1 pt
2.

Which of the following processes gives off more energy than it absorbs?

1pt
6.

At 0°C and 100°C, water

energy and phase transitions occur.

1 pt
7.

A pot of water heats on the stove. Bubbles form in the water because the hot water rising to the surface transfers heat from the hot water at the bottom to the cooler water at the top. This is an example of

1pt
8.

Reactants + energy Product is an example of a(n)

reaction.