Physical Science Games

Usually, when the temperature is increased, what will happen to the rate of dissolving?

• It will increase

• It will remain the same

• It will stop

• It will decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Carol accidentally dropped a container of salt, sodium chloride into a container of a dark gray metal. Carol knows that the salt will dissolve in water, but she is afraid to pour water over the mixture. On a hunch, she takes a magnet and runs it through the mixture. The gray substance is attracted to the magnet and she is able to separate the two solids. What is the gray substance in the container?

• sodium chloride

• copper

• iron

• aluminum

Tags

NGSS.MS-PS1-2

When Jackson throws a baseball in a straight path, what two forces cause the ball to eventually stop moving?

• gravity and friction

• negative acceleration and gravity

• wind resistance and mass

• mass and ground force

Tags

NGSS.MS-PS2-4

A car rolls down a ramp. What is the force acting on the car that causes the movement down the ramp?

• acceleration

• gravity

• friction

• centripetal

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A ball rolls up a ramp from the floor or height zero. The ball rolls up, stops and then rolls back down. When does the ball reach the floor again?

• After 3 seconds

• After 5 seconds

• After 6 seconds

• After 7 seconds

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

The box in the picture begins motionless, and then both forces are applied at the same time. Describe the resulting motion of the box.

• The box will move to the right.

• The box will move to the left.

• The box will not move.

• The box will move to the left and then right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which student threw the ball with the greatest force?

• Jake

• Conner

• Pete

• Leroy

Tags

NGSS.MS-PS2-2

The second drawing shows a situation when a larger force is applied to the box than the force of friction. The result is that the box

• moves to the left

• moves right then left

• does not move

• moves to the right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Francis and Pedro are riding bicycles side by side. Pedro passes Francis. What caused Pedro's bicycle to go faster?

• Pedro pushed harder on the pedals.

• Pedro and Francis were going downhill.

• The wind started blowing.

• Pedro's bicycle weighed less than Francis's bicycle.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A train rolls to a stop along a horizontal track without the conductor applying the brakes. What answer choice BEST explains why this occurred?

• The opposing force of friction stopped The opposing force of friction stopped the train. the train.

• The force of gravity slowed the train until it stopped.

• The natural state of the train is not to be in motion.

• The train ran out of momentum.