Physical Science Fall Final Review

Which of these affects the pitch of a sound?

• resonance

• loudness of the sound

• frequency of the waves

Which of the following shows how conductors, insulators, superconductors, and semiconductors rank in order of least resistance to most resistance?

• insulators, conductors, semiconductors, superconductors

• none of the above

• semiconductors, superconductors, conductors, insulators

• superconductors, conductors, semiconductors, insulators

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?

• 78 A

• 2.2 A

• 0.46 A

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-PS2-2

The average speed of a runner who runs 500.0 meters in 96 seconds is

• 96 m/s

• 312 m/s

• 5.2 m/s

Which of the following statements is true?

• the amount of heat in a closed system changes constantly

• Energy as heat is transferred from a higher temperature to a lower temperature

• Energy as heat is transferred from a lower temperature to a higher temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5