Energy unit assessment 2nd semester 2024

Based on our lab results, which of the 3 objects transferred the most thermal energy to the cool water and what were the main factors of why it was able to do so? Explain your answer using proper scientific vocabulary.

An object has energy even when it is not moving.

• True

• False

Only living things have energy.

• True

• False

When energy is used, it's gone forever.

• True

• False

Electrical energy can be transformed into:

• light energy

• sound energy

• thermal energy

• all the energies listed

How are thermal energy and temperature different?

Energy is measured in ___________.

• ounces

• cm/s

• Joules

• Jewels

Purchasing large energy efficient appliances is the only way improve the energy-efficiency of a home.

• True

• False

A ball is projected into the air. Where is potential energy the greatest?

• 
• 
• 
• 

As a roller coaster goes downhill

• kinetic energy is converted into potential energy.

• potential energy is converted into kinetic energy.

• electrical energy is converted into potential energy.

• potential energy is converted into electrical energy.