Review on Energy

Which of the following objects has kinetic energy?

• a ball rolling across the floor
• a bicycle parked at the top of a hill
• leaves lying on the ground beneath a tree
• a sunny windowsill

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What two factors determine how much kinetic energy an object has?

• position and mass
• speed and position
• speed and mass
• speed and surface area

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

___ is the energy stored in an object due to its position.

• Potential energy
• Kinetic energy
• Thermal energy
• Nuclear energy

Tags

NGSS.MS-PS3-2

Which of the following objects has potential energy?

• a glass sitting on a table
• a ball rolling across the floor
• a bicycle coasting down a hill
• a bowling ball knocking over a pin

Tags

NGSS.MS-PS3-2

What two factors determine how much potential energy an object has?

• speed and position
• speed and mass
• mass and position
• speed and surface area

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

The ___ is the SI unit of energy.

• watt
• joule
• ampere
• volt

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following statements about an apple falling from a tree is true?

• Its kinetic energy decreases and its potential energy increases.
• Its potential energy decreases and its kinetic energy increases.
• Its kinetic and potential energies remain constant.
• Its mechanical energy increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

As energy transformations occur within a system, the total energy of the system ___.

• increases
• decreases
• is transferred out of the system
• remains the same

Tags

NGSS.MS-PS3-4

During energy transformations, energy is never ___.

• released as heat
• used to increase an object's potential energy
• completely transformed
• created or destroyed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The kinetic energy of an object increases as its ___ increases.

• gravitational energy
• potential energy
• specific heat
• speed

Tags

NGSS.MS-PS3-1