Fall 2023 Final Review

Which of these affects the pitch of sound?

• Resonance

• Loudness of the sound

• Frequency of the wave

Because its molecules are far apart, sound waves will travel slowly through

• iron

• cold air

• water

Tags

NGSS.MS-PS4-2

When an object moving forward slows down, its acceleration is

• centripetal

• positive

• negative

Appliances connected so that they form a single pathway for charges to flow are connected in a(n)

• parallel circuit

• open circuit

• series circuit

A 6.0 V battery is connected to a 13.0 Ω resistor. What is the current in the resistor? Remember Ohm's law is V=IR

• 78 A

• 2.2 A

• 0.46 A

A bus hits a bug and the bug splatters on the windshield and they experience the same force. Which of the following best describes this force pair interaction?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

Tags

NGSS.MS-PS2-1

Current is the rate at which charges move through a(n):

• conductor

• joules

• insulator

A ramp is a ______ that decreases the force required to move an object while increasing the distance the object travels.

• force

• newton

• machine

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

An object experiencing balanced forces

• is slowing down

• is speeding up

• has a net force of zero

Tags

NGSS.HS-PS2-1

On a distance vs. time graph of an object's motion, distance is usually

• measured in ft/min

• the dependent variable

• plotted on the x-axis