Fall Semester Test 24/25

Front

What material is most likely to reflect light waves?

Back

A shiny metal surface is most likely to reflect light waves due to its smooth and shiny surface.

Front

What is the process of a gas changing into a liquid called?

Back

The process of a gas changing into a liquid is called condensation.

Front

What is the primary purpose of designing a device that maximizes thermal energy transfer?

Back

The primary purpose is to transfer heat quickly.

Front

In a thermal energy transfer experiment, which variable is most likely changed to test different materials?

Back

The type of material is the variable most likely changed in such experiments.

Front

What is the primary function of mitochondria in a cell?

Back

The primary function of mitochondria is energy production.

Front

What is reflection in terms of light waves?

Back

Reflection is the bouncing back of light waves when they hit a surface.

Front

What is the definition of condensation?

Back

Condensation is the process where gas turns into liquid, often when cooled.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the role of energy efficiency in devices?

Back

Energy efficiency refers to using less energy to perform the same task.

Front

What is the difference between melting and freezing?

Back

Melting is the process of a solid turning into a liquid, while freezing is the process of a liquid turning into a solid.