Survey of Physical Science Exam #1

As a falling object travels faster and faster through the air,

• Net force decreases

• Air resistance increases

• Acceleration decreases

• All of the above

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

In a simple experiment, you compare the absorption of several paper towel brands. What would be the dependent variable?

• Amount of liquid absorbed by the paper towel

• Brand of towels

The crumple zone on a car is designed to reduce the impulse on the vehicle

• False

• True

Tags

NGSS.HS-PS2-3

A description of a phenomenon that has been verified by many scientists is called a

• Scientific Theory

• Scientific Law

• Scientific Hypothesis

Tags

NGSS.HS-ESS1-2

A theory is an educated guess about the outcome of a specific experiment

• True

• False

If the sun were twice as massive, its pull on Earth would be

• Twice as much

• Four times as much

• Unchanged

• Half as much

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

If the radius of the Earth increased, your weight as its surface would increase

• False

• True

Tags

NGSS.MS-PS2-4

The soccer ball was launched with an upward velocity of 20 m/s. How long will it take for it to come back down?

• 2 seconds

• 4 seconds

• 1 second

• 8 seconds

Tags

NGSS.MS-PS2-4

Two balls of differing masses free fall from the same height. Just before impact with the ground, the more massive ball

• has greater momentum and kinetic energy

• has greater momentum, kinetic energy, and velocity

• has greater momentum

• has greater velocity

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

If the velocity of a car doubles, what else doubles?

• both momentum and kinetic energy

• kinetic energy

• momentum

Tags

NGSS.MS-PS3-1