WorksheetsConduction Melting Thermal Energy
Total questions: 14
Worksheet time: 7mins
Which type of heat transfer is shown?
convection
conduction
radiation
stir frying
Which type of heat transfer is shown?
convection
conduction
radiation
ironing
What type of heat transfer is shown here?
convection
conduction
radiation
sun shining
What is the freezing point of water on the celsius scale?
0
32
100
-100
You probably use the term heat many times a day. As an example, when you cook dinner, you heat your dinner on a hot stove. When you place a piece of cool metal in the sun, it is heated by the sun’s energy. Why is heat the correct term to use in these examples?
They show that when objects are touching, they are the same temperature.
They show that heat flows from something warmer to something cooler.
They indicate that heat is created to raise the termperature of something.
They indicate that the kinetic energy of the particles decreases when something is heated.
Click the statement that is true.
Thermal energy transfers from the cooler object to the warmer object.
Thermal energy transfers from the warmer object to the cooler object.
Thermal energy does not transfer at all.
What is an example of a good insulator?
wood
copper wiring
water
floor tiles
True or false? Conduction involves DIRECT CONTACT between two objects?
True
False
What is not an example of thermal expansion
A hot air balloon rising in the air
A hot side walk on a summer day
A bag of popcorn cooking in the microwave
A hot dog cooking on a grill
What does "the law of conservation of energy" mean?
Energy can be created
Energy cannot be created but can be destroyed.
Energy can be destroyed and created.
Energy can never be created or destroyed.
