Foss Gravity and Kinetic Energy
Authored by Charles Martinez
Physics
8th Grade
NGSS covered
Used 6+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A soccer ball is sitting still on a flat field.
What forces are acting upon it?
The downward force of gravity.
The upward force of the ground.
All forces are acting on the ball.
No forces are acting on the ball.
Tags
NGSS.MS-PS2-4
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
If a player kicks the ball once and it moves across the grass, how would Sir Isaac Newton explain what happens to the ball?
The ball stays at rest until another force (kick) acts upon it.
It accelerates when in contact with the player's foot.
Then decelerates from friction until it stops.
No forces are acting on the ball.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bowling ball is rolling down a ramp with a certain amount of kinetic energy. Which change to the system will increase the ball’s kinetic energy most?
Doubling the weight of the bowling ball.
Doubling the mass of the bowling ball.
Doubling the speed of the bowling ball.
Doubling the volume of the bowling ball.
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At the start, the ball had ______________________ energy, which transferred to _______________________ energy as it rolled down the ramp. When the ball reached its highest point on the other side of the ramp, all its energy transferred to ________________________energy.
potential, potential, potential
kinetic, kinetic, kinetic
kinetic, potential, kinetic
potential, kinetic, potential
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A motor boat is traveling 10 m/s on a sunny calm day. The driver turns off the engine. Apply Newton’s first law to explain what happens to the boat as it glides through the water.
The boat moves slower and slower.
The boat moves at a constant speed.
The boat moves at constant speed for a while and then slows down.
The boat slows down for a while and then moves at constant speed.
Tags
NGSS.MS-PS2-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why would the boat move slower and slower.
Once the force exerted by the boat engine is removed, friction between the water and boat (and the air and the boat) will decelerate the boat.
Once the force exerted by the boat engine is removed, friction between the water and boat (and the air and the boat) will accelerate the boat.
There is no force exerted on the boat.
Tags
NGSS.MS-PS2-2
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
While playing hockey, player 1 is speeding down the rink, and doesn’t see player 2 standing still on the ice.
Player 1 collides with player 2.
Explain what happens to the kinetic energy and motion of each player during the collision.
When player 1 collided with player 2, player 1's kinetic energy transferred to player 2.
Player 1 could slow down, stop , change direction, or fall, while player 2 would begin moving away from the collision point and possibly fall.
Player 1 will run into player 2 and player 2 will not move at all.
Both players will stop immediately and no energy will be transferred.
Tags
NGSS.MS-PS3-5
NGSS.MS-PS2-1
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