What is heat

Which is true about convection.?

• Convection show the transfer of heat within a liquid and a gas.

• Convection is the transfer of heat between two objects that are touching.

• Convection is the transfer of heat without matter to carry it.

Tags

NGSS.MS-ESS2-6

On a warm sunny day, a lizard sits on a rock. Which word explains why the lizard feels

heat from the sun?

• convection

• friction

• radiation

Where does radiation come from?

• Sun, light and fire

• touching

• liquid and gas

Jessie knows that conduction is a form of heat energy transfer. Which transfer of heat

energy is made through conduction?

• hand heats a snowball

• radiator warms a home

• boiling water heats pasta

The sun is a heat source. Reptiles use the sun to regulate their body temperatures.

Which statement describes how the sun affects the body temperature of a lizard?

• When the lizard lies out in the sun, its body temperature increases.

• When the lizard lies out in the sun, its body temperature decreases.

• When the lizard lies out in the shade, its body temperature increases.

Sometimes a region will have a heat wave. What happens to the temperatures when

the heat wave ends?

• Temperatures rise.

• Temperatures drop.

• Temperatures stay the same.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Heat must flow to cause a material to change its temperature. Which action will

change an ice cube’s temperature the most in the shortest amount of time?

• Place the ice cube in a freezer.

• Place the ice cube in a glass of warm water.

• Place the ice cube in a pot of boiling water on the stove over a high flame.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Jam’s science class has to choose an example of potential energy changing into

kinetic energy. Which could they pick?

• pieces of iron stuck to a magnet

• battery in a drawer

• toy car rolling down a ramp

Tags

NGSS.MS-PS3-2

HEAT is energy that moves between objects with different temperatures.

• TRUE

• FALSE

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

100 ˚C is the measurement of a water that called FREEZING POINT.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5