heat and waves review

The sun shines down on this family as the play on the beach.

• conduction

• convection

• radiation

This appliance dries clothes primarily by converting

• electrical energy to heat and mechanical energy

• mechanical energy to heat and electrical energy

• electrical energy to heat and sound energy

• mechanical energy to heat and nuclear energy

During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

• conduction and convection

• radiation and electricity

• radiation and conduction

• convection and radiation

Which of the following is an example of conduction?

• Solar energy warming a room

• Hot air drying a wet towel

• Heat rising from the coils of a stove

• Heat moving from a clothes iron to a shirt

On a cold rainy day a baby is touching a cold window. It feels so cold. Which way is the heat moving moving?

• It moves in currents

• Heat is moving from the hand to the window.

• Cold is moving from the window to the hand.

• Heat doesn't move.

Which ice cube will melt first?

• The large cube

• The small cube

• They will melt at the same rate

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low

• low to high

• high to high

• It can travel high to low and low to high.

Conduction can only occur between two objects when –

• one object is less dense than the other.

• both objects are in physical contact with each other.

• one of the objects is made of a metal.

• both objects are exactly the same temperature.

Which of following is a conductor?

• Wooden Stick

• Styrofoam Cooler

• Metal Pan

• Plastic Container

Thermal energy and temperature are the same.

• true

• false