Physics and Science Quiz

Question 1

What is the frequency of a wave with a speed of 150 m/s and a wavelength of 0.15 m?

Accepted Answer

1,000 Hz

Question 2

What is the correct order of Earth's atmospheric layers from lowest to highest?

Accepted Answer

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

Question 3

How does doubling both electric charges and quadrupling distance affect electromagnetic force?

Accepted Answer

It becomes ¼ as strong

Question 4

Which process involves the movement of sediments from one location to another?

Accepted Answer

Erosion

Question 5

What causes materials to become magnetic?

Accepted Answer

Aligned magnetic domains of electrons

Question 6

A box is pushed with a force of 60 N, and the friction opposing the motion is 15 N. What is the net force? (F = Fa - Ff)

Accepted Answer

45 N

Question 7

You hear thunder 2.3 seconds after lightning. The air temperature is 11°C. How far away was the lightning?

Accepted Answer

777.6 m

Question 8

A rock is dropped from a bridge and falls for 3 seconds. How far does it fall? (Distance = ½ × acceleration × time²)

Accepted Answer

44.1 m

Question 9

According to the inverse square law, what happens to gravitational force when distance doubles?

Accepted Answer

It becomes four times weaker

Question 10

What is the process by which rocks are broken down into smaller pieces?

Accepted Answer

Weathering

Question 11

Which layer of the atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Question 12

What causes the different phases of the moon?

Accepted Answer

The moon's orbit around Earth

Question 13

Which subatomic particle moves in an electric circuit to create current?

Accepted Answer

Electrons

Question 14

A 12 kg box is pushed with a force that causes it to accelerate at 2.5 m/s². What is the total force? (F=ma)

Accepted Answer

30 N

Question 15

How many times more intense is a 60 dB sound compared to a 20 dB sound?

Accepted Answer

10,000×

Question 16

What instrument is used to measure atmospheric pressure?

Accepted Answer

Barometer

Question 17

What type of rock is formed through the process of heat and pressure?

Accepted Answer

Metamorphic

Question 18

What is Ohms Law?

Accepted Answer

Voltage = Current × Resistance

Question 19

A wave travels at a speed of 300 m/s and has a wavelength of 0.5 m. What is its frequency? (f = speed/wavelength)

Accepted Answer

600 Hz

Question 20

Which law states that electric force decreases with the square of the distance?

Accepted Answer

Inverse Square Law

Question 21

What does ROY G. BIV stand for in light science?

Accepted Answer

Red, Orange, Yellow, Green, Blue, Indigo, Violet

Question 22

What happens to gravitational force if mass = 2×, mass = 8×, and distance = 4×?

Accepted Answer

It stays the same

Question 23

What happens to gravitational force if both masses double and distance stays the same?

Accepted Answer

It increases 4×

Question 24

What drives the water (hydrologic) cycle on Earth?

Accepted Answer

The sun

Question 25

What is the photoelectric effect?

Accepted Answer

Ejection of electrons by light energy

Question 26

Which of the following is NOT one of Earth's major layers?

Accepted Answer

Stratosphere

Question 27

What happens when light enters a new medium at an angle?

Accepted Answer

It bends (refracts)

Question 28

What type of rock forms from cooled lava or magma?

Accepted Answer

Igneous

Question 29

Which of the following correctly lists the planets in order from the sun outward?

Accepted Answer

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Question 30

Which type of circuit has only one path for current to flow?

Accepted Answer

Series circuit

Question 31

What is the speed of sound in air at 0°C?

Accepted Answer

331.5 m/s

Question 32

What type of rock is formed from compacted sediments?

Accepted Answer

Sedimentary

Question 33

An amplifier multiplies a sounds intensity by 1,000. If it starts at 30 dB, how loud will it be?

Accepted Answer

60 dB

Question 34

If the temperature is 25°C, what is the speed of sound?

Accepted Answer

346.5 m/s

Question 35

What is the speed of sound in air at 20°C? (C = 331.5 + (0.6 x Temp)

Accepted Answer

343.5 m/s

Physics and Science Quiz

Questions 35

Physics and Science Quiz

Questions 35