Types of Energy
What type of energy is stored in the nucleus of an atom?
Nuclear
Heat energy travels from _________ to ___________.
Hot to cold
Which example has the most kinetic energy?
A. A cyclist going 6 mph.
B. A plane traveling 26,000 mph.
C. A car speeding at 100 mph.
B. A plane traveling 26,000 mph.
Which material transfers heat/energy easily?
A. plastic
B. rubber
C. metal
C. Metal
What do the atoms look like when hot compared to cold?
A. When hot, the atoms are more compact and more dense.
B. When hot, the atoms are more spread out and less dense.
C. Temperature does not matter. The atoms stay the same.
B. When hot, the atoms are more spread out and less dense.
Stored energy and the energy of position
Potential
My cup of hot tea is left on the counter. It becomes cooler due to:
A. Water molecules moving apart.
B. Hot water reacting with the mug.
C. Heat from the water moving into the cooler air.
C. Heat from the water moving into the cooler air.
How can you increase the potential energy of an object?
A. increase the volume
B. increase the height
C. increase the density
B. increase the height
Rubber conducts very little heat or electricity. What would rubber most likely be used to cover?
A. wood
B. paper
C. metal
C. metal
Why does cold air sink?
Cold air is more dense.
Energy of motion
Kinetic
Ms. Dodds is cooking in her kitchen. My metal spoon becomes very hot stirring my boiling soup. What causes this to happen?
Conduction
Which is the best example that something has kinetic energy?
A. a car parked on a steep hill
B. a tennis ball rolling across the court
C. a picture hanging on the wall
B. a tennis ball rolling across the court
What is known for transferring heat/electricity easily?
A. Conductor
B. Insulator
C. Radiator
A. Conductor
When 2 objects have the same temperature what does that mean about their molecules?
A. same number
B. same size
C. same motion
C. same motion
Related to the motion of atoms or molecules in a substance
Thermal Energy
Ouch! I got a bad sunburn while at the beach. What form of energy causes this?
Radiation
Two objects with different masses are placed on the same shelf. Which object contains more energy?
A. The object with a greater mass has more energy.
B. The object with less mass has more energy.
C. Neither object has any energy because they are not moving
A. The object with a greater mass has more energy.
What is NOT an example of an insulator in the kitchen?
A. An oven mitt
B. Pots and pans
C. A plastic measuring cup
B. Pots and pans
Convection occurs in:
A. all states of matter
B. gases and liquids
C. solids and liquids
B. gases and liquids
What type of energy is related to the flow of electrons?
Electrical
Which is an example of convection?
A. Steam rising from a cup of coffee
B. My car seat gets hot from the sun.
C. Heat circulating in the oven to bake chicken nuggets.
C. Heat circulating in the oven to bake chicken nuggets.
What kind of energy is in flowerpot sitting on a windowsill?
Potential
What is the difference between a conductor and an insulator?
A. An insulator allows electricity to flow through it easily and a conductor does not
B. A conductor allows electricity to flow through it easily and an insulator does not.
B. A conductor allows electricity to flow through it easily and an insulator does not.
Heat energy traveling through space is an example of _____
Radiation