Thermal Energy

Front

What is the best explanation for the warmth of the metal spoon after stirring hot chocolate? Options: The spoon is a conductor., The spoon reflects heat., The spoon is an insulator., She touched the spoon first and waited to touch the cup.

Back

The spoon is a conductor.

Front

In what order did the thermal energy reach Andy's hand when he stirred a hot drink in a styrofoam cup with a metal spoon?

Back

hot chocolate-spoon-hand

Front

In the winter, some people heat their homes by burning logs in the fireplace. How does the heat from the fire get to the other side of the room?

Back

it travels through the air by convection

Front

What observation can you make about what happened to the snowman?

Back

It changed from a solid to a liquid.

Front

When you leave your cold drink outside, the glass may have water drops on it. This is an example of...

Back

condensation

Front

What would be the temperature of the water when it started to boil?

Back

100 degrees celsius

Front

Two students were studying properties of water. One student placed a cup of 100ml of water into a beaker on a burner to boil. Another student placed an identical cup containing 200ml of water in an identical beaker on another burner to boil. Which of the following will be the same for both cups of water? Options: the temperature at which the water boils, the mass of the boiling water, the time it takes the water to boil, the volume of the boiling water

Back

the temperature at which the water boils

Front

Which form of energy causes water to boil? Options: sound energy, mechanical energy, thermal energy, light energy

Back

thermal energy

Front

Which change is happening to the water? Options: it is changing from a liquid to a gas, it is changing from a liquid to a solid, it is changing from a solid to a gas, it is changing from a gas to a liquid

Back

it is changing from a liquid to a gas

Front

Analyze the data in the table. Options: A. All substances have the same melting points and boiling points., some substances take longer to melt and boil., aluminum melts faster than water, all substances do not have the same melting points and boiling points

Back

all substances do not have the same melting points and boiling points