Energy and Heat (Test Ch. 5)

Where is the most potiential energy?

• Top of the hill

• Bottom of the hill

• Around a loop

• At the end

Energy only comes in one form.

• True

• False

Where is the most potential energy?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-2

George holds an ice cube in his hand. As he squeezes the ice, it begins to melt. Which of the following best explains why this happens?

• George absorbs heat from the ice.

• Heat moves from George’s hand into the cube and warms it.

• Cold moves from the ice onto George’s hand as it melts.

• George releases cold to the ice.

Stored energy is ___________.

• Kinetic energy

• Potential Energy

• Mechanical Energy

• Sound Energy

How can you change the states of matter of an object?

• you cannot change the states of matter

• do nothing they will change on their own

• add or remove heat

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Steve knows that heat can transfer between two substances. For example, a warm bowl of soup can warm a metal spoon. Which of the following must be present for heat to flow from one substance to another?

• One of the substances must always be a solid.
• One of the substances must always be a liquid.
• The substances must be at different temperatures.
• The substances must be at the same temperature.

Debbie's mother has different types of pots in her kitchen. Many of them are made of copper and aluminum. Which of the following is the best reason why the pots are made of these materials?

• They are able to stop the flow of heat.

• They are good insulators of heat.

• They keep the same amount of heat.

• They are good conductors of heat.

When does thermal energy stop being transferred between two objects?

• it never ends

• when both objects reach the same temperature

• when it starts boiling

• when you measure them

Which material would make the best insulator?

• rubber

• steel

• copper

• aluminum

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3