Multiple Choice Questions on Heat

According to thermodynamics, heat flows:

• From cold objects to hot objects

• From hot objects to cold objects

• Randomly

• In cycles only

Thermodynamics is the branch of physics that studies:

• Light and sound

• Heat and energy

• Magnetism

• Motion only

The Kinetic Theory of Matter states that:

• All matter is made up of tiny particles in constant motion

• Only gases have moving particles

• Heat is a fluid that flows

• Solids have no moving particles

In solids, particles:

• Move freely

• Vibrate in fixed positions

• Move randomly

• Spread far apart

In gases, particles:

• Vibrate in place

• Slide over each other

• Move very fast and spread out

• Do not move

What did Count Rumford’s cannon-boring experiment show?

• Heat is a fluid

• Heat is created by friction

• Heat is stored in brass

• Heat cannot be produced

Davy’s ice rubbing experiment proved that:

• Heat is a material

• Friction produces heat

• Ice contains caloric fluid

• Energy is destroyed

Joule proved that heat is:

• A material substance

• Independent of energy

• A form of energy

• A fluid

The SI unit of energy is:

• Calorie

• Joule

• Watt

• Newton

Brownian motion is:

• Random motion of molecules

• Jerky motion of particles due to collisions

• Vibration of solids

• Movement of heat