Vocabulary
The energy that an object has because of its position or its condition.
What is potential energy?
Two girls put a spring on a dowel rod. They then add a foam ball to the dowel rod. They push on the ball to squeeze the spring, and then they let the ball go. Which of the following forms of energy does the ball have during the investigation?
A. chemical energy
B. electrical energy
C. magnetic energy
D. mechanical energy
What is mechanical energy?
Olivia wears wool socks to keep her feet warm. Name how the wool affects heat transfer.
A. Wool is an insulator that keeps her feet from losing heat.
B. Wool is an insulator that provides heat to her feet.
C. Wool is a conductor that transfers heat from her feet to her boots.
D. Wool is a conductor that transfers heat from the socks to Olivia's skin.
What is "Wool is an insulator that keeps her feet from losing heat"?
Name the material that would make the best container to warm food over a campfire.
A. Aluminum
B. Plastic
C. Rubber
D. Wood
This is a material that does not let heat pass through it easily.
What is an insulator?
The total potential and mechanical energy of an object.
What is mechanical energy?
Evan's science class has to choose an example of potential energy changing to kinetic energy. Name which they would pick.
A. sun warming a greenhouse
B. piece of iron stuck to a magnet
C. battery in a drawer
D. toy car rolling down a ramp
What is "toy car rolling down a ramp"?
Maya has a glass of water and it's 40 degrees C. She then added some ice cubes. After 10 min., name the likely temperature of the water.
A. 50 degrees
B. 45 degrees
C. 40 degrees
D. 35 degrees
A. an oven mitt
B. a towel
C. a metal pot
D. a plastic spatula
What is a metal pot?
This is a property that involves how a substance interacts with other substances. Ex: gasoline in a car engine.
What is chemical energy?
The transfer of heat within a liquid or gas.
What is convection?
Fossil fuels are the most common source of energy. Name what else is TRUE about fossil fuels.
A. They are renewable.
B. They form quickly underground.
C. They can be made in a lab.
D. They are burned to release energy.
What is "They are burned to release energy"?
A. convection
B. friction
C. gravity
D. radiation
What is "radiation"?
The pots and pans in Charlie's kitchen are made of steel, copper, and aluminum. Name the best reason they are made of these materials.
A. They are easy to shape.
B. They have low melting points.
C. They are excellent conductors of heat.
D. They have the ability to stop the flow of heat.
What is "They are excellent conductors of heat"?
This is the energy of an object based on its position or condition.
What is potential energy?
The energy of motion.
What is kinetic energy?
Objects may have potential or kinetic energy. Name how they compare to one another.
A. Both describe objects at rest.
B. Both describe objects in motion.
C. Both are forms of mechanical energy.
D. An increase in one leads to an increase in the other.
What is "both are forms of mechanical energy"?
You do not want to touch a hot cookie sheet that comes out of the oven without an oven mitt or pot holder. Name this type of heat transfer if you were to touch the hot sheet.
What is conduction?
Sydney is making a poster about conductors and insulators. Name the object she should list as a conductor.
A. a rubber eraser
B. an aluminum can
C. a wooden pencil
D. a plastic straw
What is a conductor?
The transfer of heat through touch.
Name the time when a rubber band have the greatest potential energy.
This type of heat transfer needs no matter to carry it.
What is radiation?
Wire that carry electricity get hot and dangerous. Name the material that covers the wires to keep people safe.
What is rubber?
Ron uses a grill to cook his steaks. Name the type of heat transfer that allows his family to eat delicious, grilled steaks.
What is conduction? (Convection could also work if the grill lid is closed)