Changes in Force and Motion Assessment

A book is sitting on a table. Which of the following actions would add to its potential energy?

• Sliding it across the table
• Opening it to the middle
• Dropping it on the floor
• Lifting it to a high shelf.

Tags

NGSS.MS-PS3-2

Which of the following examples best demonstrates kinetic energy?

• A brick lying on the ground
• A kite flying across the sky
• a television sitting on a table
• a curtain hanging in the window

Tags

NGSS.MS-PS3-1

An airplane is demonstrating a conversion of kinetic to potential energy when--

• It goes to a higher altitude
• more passengers board the plane
• it moves downward to make a landing
• the wheels spin as it moves on the ground

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Which positions of the pendulum would have the most potential energy?

• 1 and 2
• 2 and 3
• 1 and 5
• 4 and 5

Tags

NGSS.MS-PS3-2

A snowball sits at the top of the hill. Which of the following changes will increase the kinetic energy of the snowball?

• Additional snow falls on the snowball, increasing its mass.
• The snowball is pushed and rolls down the hill, gaining speed.
• The weather warms and the snowball melts, decreasing its mass.
• The snowball is moved and now sits on a hill that is higher.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which is the best example of an object with only potential energy?

• a boat moving through the water
• a boulder resting on top of a cliff
• a ball being thrown across a field
• water being poured out of a pitcher

Tags

NGSS.MS-PS3-2

Which of the following best represents potential energy?

• Air leaking rapidly from a car tire
• A marble sitting at the top of a ramp
• Heat radiating from a large forest fire
• Water flowing through a rubber hose

Tags

NGSS.MS-PS3-2

As a boulder rolls from the top of a hill to the bottom, how does its PE and KE change?

• PE and KE both increase
• PE increases and KE decreases
• PE decreases and KE increases
• PE and KE both decrease

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Students are investigating changes from PE to KE by rolling a marble down a ramp made by propping up a plastic ruler on a book and letting it roll down. Which of the following will change the PE the marble starts with?

• switching the plastic ruler with a wooden one
• adding more books beneath the ruler
• pushing the marble down the ramp
• replace the marble with a rock

Tags

NGSS.MS-PS3-2

Which of these best shows a change from PE to KE?

• Water flowing over a tall cliff
• A rubber band being stretched
• Electricity making  a bulb light up
• A stone lying on top of a mountain