WorksheetsEnergy Review
Total questions: 18
Worksheet time: 9mins
Which best explains why a bowl becomes warm after holding hot soup?
The heat moves through conduction from the soup to the bowl.
The heat moves through convection from the soup to the bowl.
The heat is returned to the bowl once the soup is cooled.
The heat is radiated from the soup to the bowl.
Sam went to a park on a hot summer day. He wanted to slide down the steel slide but realized it was too hot. Which statement explains why the slide was hot?
Heat was transferred to the slide by radiation.
Heat was transferred to the slide by convection.
Heat was transferred to the slide by conduction.
Heat was transferred to the slide by evaporation.
Which best describes how heat moves from one solid to another solid?
through evaporation
through conduction
through convection
through radiation
When a warm plate is placed onto a cool counter, which most likely occurs?
The plate gains heat and the countertop gains heat.
The plate loses heat and the countertop gains heat.
The plate gains heat and the countertop loses heat.
The plate loses heat and the countertop loses heat.
Which container will be less likely to feel cold on the outside when filled with ice?
a foam cup
a glass cup
a metal cup
a paper cup
Sam is cooking an egg in a pan on the stove. Which causes the egg to become hot?
conduction
convection
evaporation
radiation
How does sitting in front of a fire most likely keep a person warm?
through conduction
through convection
through radiation
through isolation
Which best describes how heat is transferred due to convection?
through direct contact with a hot object
through the movement of gases or liquids
through the absorption of the sun’s energy
through the process of liquid changing into a gas
Which causes the steam above a boiling pot of water to move?
conduction
convection
radiation
insulation
Why are pots used for cooking made of metal?
Metal is an excellent conductor of heat.
Metal makes the handle look attractive.
Metal is a poor conductor of heat.
Metal is natural and inexpensive.
Which best explains why melting ice is a physical change instead of a chemical change?
It does not smell bad.
It changes from a solid to a liquid.
It does not make a new substance.
It changes quietly with no loud sound.
Which best explains why burning leaves is a chemical change?
The leaves emit light during the change.
The temperature of the leaves icreases.
The leaves turn to ashes.
The shape of the leaves changes.
Which would only result in a change in the state of matter?
baking a cake
boiling water
lighting a match
rusting bike chain
Kim put a bottle of juice in the freezer. A few hours later, she checked it and she had pieces of ice in the juice. Which best explains what happened to her bottle?
The juice changed from a liquid to a gas in the freezer.
The juice changed from a solid to a gas in the freezer.
The juice had begun to change from a liquid to a solid in the freezer.
The juice had begun to change from a solid to a liquid in the freezer.
Jamie is observing an ice cube. Which statement best describes what he sees?
Jamie observes a liquid changing into a solid.
Jamie observes a solid changing into a liquid.
Jamie observes a liquid changing into a gas.
Jamie observes a solid changing into a gas.
Water is being boiled on the stove. What is the change taking place?
A solid is changing into a gas.
A liquid is changing into a solid.
A solid is changing into a liquid.
A liquid is changing into a gas.
A teacher adds 2 g. of chalk to 25 g. of vinegar in a tightly sealed jar. There is a reaction. What is the total mass of the jar's contents after the reaction takes place?
23 g.
25 g.
27 g.
50 g.
A student has 10 ml of water. She adds 5 ml of salt. How much of the solution does she have now?
5 ml
15 ml
50 ml
10 ml
