Energy Concepts

What type of heat transfer occurs through direct contact?

• conduction

• convection

• radiation

• nuclear

Bell and Ty put together two ramps on which to race their model cars. At what points on the ramps will the cars have the greatest amount of kinetic energy?

• W and Y

• X and Z

• W and Z

• X and Y

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

May swings on the playground during lunch recess. What types of energy does the motion of the swing illustrate?

• kinetic and thermal

• chemical and radiant

• potential and thermal

• potential and kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Why did Alessandro Volta invent the battery?

• To store solar energy

• To create a portable power source

• To power electric cars

• To generate wind energy

Tags

NGSS.MS-PS3-5

Describe what happens to the potential energy of an object as it is lifted higher above the ground.

• It decreases.

• It remains constant.

• It increases.

• It becomes zero.

Tags

NGSS.MS-PS3-2

Identify the type of energy stored in a stretched spring.

• Kinetic Energy

• Potential Energy

• Thermal Energy

• Chemical Energy

Tags

NGSS.MS-PS3-2

• The 2 kg object has more potential energy.

• The 4 kg object has more potential energy.

• Both have the same potential energy.

• Potential energy cannot be determined.

Tags

NGSS.MS-PS3-2

• 19.6 J

• 29.4 J

• 58.8 J

• 98.0 J

List the factors that affect gravitational potential energy.

• Mass and speed

• Height and speed

• Mass and height

• Speed and temperature

the following as either potential energy or not potential energy: A book on a shelf, a moving car, a compressed spring.

• Potential energy, not potential energy, potential energy

• Not potential energy, potential energy, not potential energy

• Potential energy, potential energy, not potential energy

• Not potential energy, not potential energy, potential energy

Tags

NGSS.MS-PS3-2