Energy Middle School

A graph showing the kinetic energy and mass of objects traveling at 10 m/s is shown. In order for an object moving at 10 m/s to have a kinetic energy of 1800 Joules, the object must have a mass in the range of ...

• 0-10 kg.

• 10-20 kg.

• 20-30 kg.

• 30-40 kg.

Tags

NGSS.MS-PS3-1

A graph showing the kinetic energy and speed of a moving object is provided. Which of the following can be concluded from the graph?

• Kinetic energy only changes when speed changes.

• Speed is only related to the size of an object.

• Kinetic energy increases as speed increases.

• All moving objects have the same kinetic energy.

Tags

NGSS.MS-PS3-1

An illustration of a roller-coaster is provided. At which point in the roller-coaster’s journey along the track does it have the greatest potential energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Energy that is stored

• relative position

• potential energy

• kinetic energy

• force

Tags

NGSS.MS-PS3-2

A ball is hit up high in the air. At its highest point the ball has the ____________ amount of potential energy. Right before it hits the ground it has the ___________ amount of potential energy.

• maximum , minimum

• minimum , maximum

Tags

NGSS.MS-PS3-2

A system of objects contains...

• kinetic energy

• potential energy

• both potential and kinetic energy

Tags

NGSS.MS-PS3-4

As kinetic energy increases, potential energy ________.

• increases

• decreases

• stays the same

When two objects interact, each one exerts a ___________ on the other that can cause ____________ to be transferred to or from the object.

• force , energy

• speed , motion

• energy , force

• force , motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What two things change an object's potential energy?

• speed & mass

• mass & position

Tags

NGSS.MS-PS3-2

What two things change an object's kinetic energy?

• speed & mass

• mass & position

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4