Thermal Energy Generation Genius Time!

What causes atoms or molecules in a substance to vibrate?

• Chemical reactions only

• Adding or removing thermal energy

• The substance being in a solid state

• External physical force

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does thermal energy do when it moves from one area to another?

• It causes a substance to change from one state to another

• It decreases the chemical reactions

• It remains constant in the substance

• It increases the mass of the atoms

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does temperature measure in a substance?

• The total amount of thermal energy

• The average kinetic energy of the particles

• The speed of the slowest particle

• The vibration frequency of molecules

How do the particles in hotter substances move compared to those in colder substances?

• They move at the same speed

• They move slower

• They move faster

• They do not move at all

Tags

NGSS.MS-PS1-4

What happens to matter when thermal energy is added or removed?

• It does not change state.

• It changes state.

• It becomes less dense.

• It changes color.

Tags

NGSS.MS-PS1-4

At what temperature does water vapor, which is also called steam, exist?

• Between 0°C and 100°C.

• At 0°C or lower.

• 100°C or higher.

• At room temperature.

Tags

NGSS.MS-PS1-4

What is the movement of thermal energy always from?

• A colder area to a hotter area.

• A solid state to a liquid state.

• A liquid state to a gaseous state.

• A hotter area to a colder area.

What is the term used to describe the movement of thermal energy?

• Condensation.

• Evaporation.

• Heat.

• Temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why might we want to reduce the amount of thermal energy that is transferred into or out of a substance?

• To heat something up or cool something down

• To keep hot things hot or cold things cold

• To increase the efficiency of energy transfer

• To make the substance react chemically

Tags

NGSS.MS-PS3-3

What is an insulator?

• A device that heats up substances

• A material that transfers thermal energy very well

• A material that does not transfer thermal energy very well

• A type of thermometer

Tags

NGSS.MS-PS3-3