(Savvas 15.1) Ch. 15.1 Energy and Its Forms

What is energy?

• A form of matter

• A force

• The ability to do work

• A type of wave

Tags

NGSS.MS-PS3-5

When work is done on an object, ________________ is transferred to that object.

• energy

• mass

• temperature

• pressure

Tags

NGSS.MS-PS3-5

Circle the letter of each sentence that is true about work and energy.

• a. Energy in food is converted into muscle movement.

• b. Energy is transferred when work is done.

• c. Both work and energy are usually measured in joules.

• d. One joule equals one meter per newton.

Tags

NGSS.MS-PS3-5

The energy of motion is called _________________.

• kinetic energy

• potential energy

• thermal energy

• chemical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is the following sentence true or false? You can determine the kinetic energy of an object if you know its mass and its volume.

• True

• False

Tags

NGSS.MS-PS3-1

Write the formula used to calculate an object’s kinetic energy.

Tags

NGSS.MS-PS3-1

Calculate the kinetic energy of a 0.25-kg toy car traveling at a constant velocity of 2 m/s.

• 0.5 J

• 0.25 J

• 1 J

• 2 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Potential energy is:

• the energy possessed by a body due to its motion

• the energy possessed by a body due to its position or state

• the energy released during a chemical reaction

• the energy transferred by a force to a body

Tags

NGSS.MS-PS3-2

Is the following sentence true or false? The work done by a rock climber going up a cliff decreases her potential energy.

• True

• False

Tags

NGSS.MS-PS3-2

An object's gravitational potential energy depends on its ________, its ________, and the acceleration due to gravity.

• mass, height

• velocity, time

• density, volume

• temperature, pressure

Tags

NGSS.MS-PS3-2