Physical Science Milestone

What is the runner's average speed?

• 1/4 m/s

• 4 m/s

• 10 m/s

• 40 m/s

Tags

NGSS.MS-PS3-1

If the runner continues at the same speed, how far will the runner travel in 30 seconds?

• 7.5 meter

• 40 meters

• 80 meters

• 120 meters

Tags

NGSS.MS-PS3-1

A rocket is traveling through the atmosphere at a constant velocity. Which of the following is true?

• The rocket's engine is producing an unbalanced force that keeps the rocket in the air.

• All the forces acting on the rocket are balanced

• The rocket exerts a greater force on its exhaust gases than the gases exert on the rocket

• The rocket is moving, so some net force must be acting on it

Tags

NGSS.MS-PS2-2

S8P5a Two objects move away from each other. What happens to the gravitational attraction between them?

• It decreases

• It increases

• It becomes zero

• It does not change

Which of the following statements about gravitational fields is true?

• Gravitational fields affect objects only when two objects are touching

• Gravitational fields affect objects only if the objects are not in contact

• Any object that has a mass is surrounded by a gravitational field

• Only very massive objects, such as Earth, are surrounded by a gravitational field

Tags

NGSS.MS-PS2-5

Which of the following is evidence that a magnetic field surrounds a magnet?

• When a paper clip is placed on a bar magnet, it sticks to the magnet

• When the north poles of two magnets are brought near each other, they push apart without touching

• When a magnet is placed on a metal surface, it sticks to the surface.

• When you touch a metal doorknob, sometimes you receive a shock

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A magnet sticks to a table leg. Based on this information, which material could the table leg be made of?

• iron

• wood

• copper

• aluminum

Which material could be used for the core of an electromagnet?

• a wooden rod

• a vial of water

• a plastic rod

• a nickel rod

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-5

An engineer built a device. The main part of the device is a bicycle attached by wires to a light bulb. When the engineer pedals the bicycle, the light bulb lights up. How can the device best be classified?

• as a motor

• as a generator

• as an electromagnet

• as an armature

Tags

NGSS.MS-ETS1-1

Four objects are on a shelf 1.5 meters above the ground: a 350 gram trophy, a 100 gram picture frame, a 225 gram book, and a 600 gram vase. Which object has the most potential energy?

• book

• vase

• trophy

• picture frame

Tags

NGSS.MS-PS3-2