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Physics Trivia

Total questions: 63

Worksheet time: 32mins

Name
Class
Date
1.

Lightning is generally hotter than the sun.

a)

True

b)

False

2.

Which travels FASTER?

a)

Sound

b)

Light

3.

What does a MANOMETER measure?

a)

voltage

b)

temperature

c)

pressure

d)

LOVE <3

4.

In an Ohmic device, lower resistance with the same voltage implies ________ current.

a)

higher

b)

lower

5.

You woke up late for school because you stayed up all night chatting with your crush. You only have 15 minutes to travel from your place to the school, which is 12 kilometers away. What should be your average speed to get there exactly in time?

a)

0.80 km/min

b)

0.80 m/s

c)

0.80 kph

d)

0.80 min/km

6.

As we cut down an object into smaller pieces, what happens to the total area?

a)

increase

b)

decrease

7.

The Eiffel Tower is slightly taller in summer than in winter.

a)

True

b)

False

8.

What does the prefix "nano-" stand for?

a)

10910^9

b)

10610^{-6}

c)

10910^{-9}

d)

10310^{-3}

9.

Lightning cannot hit the same spot twice.

a)

True

b)

False

10.

In the circuit here, the value of R1 is 1 megaohm. What is the current in the resistor if the voltage source is rated at 1 kV?

a)

1 MA

b)

1 GA

c)

1 mA

d)

1 A

11.

This theory on the origin of the universe states that the it expanded from a single point object with extreme temperature and density.

a)

Big Bang Theory

b)

Steady State Theory

c)

Big Crunch Theory

d)

String Theory

12.

The earth _______ on its axis and _________ around the sun.

a)

orbits; revolves

b)

rotates; spins

c)

rotates; revolves

d)

revolves; revolves

13.

Which image represents HIGH accuracy and HIGH precision?

a)

b)

c)

d)

14.

Which scientist is famous for his cat in the box thought experiment?

a)

Erwin Smith

b)

Erwin Schrodinger

c)

Max Planck

d)

Richard Feynman

15.

A cow, that we assume to be spherical as shown in the image, has a radius of 2.0 meters and mass 1,500 kg. What is the density of this very normal cow?

a)

0.022 mLkg0.022\ \frac{mL}{kg}

b)

45 kgmL45\ \frac{kg}{mL}

c)

0.022 m3kg0.022\ \frac{m^3}{kg}

d)

45 kg m345\ \frac{kg\ }{m^3}

16.

The instrument that measures and records the relative humidity of air is ____.

a)

Hydrometer

b)

Hygrometer

c)

Lactometer

d)

Barometer

17.

The shape of our milky way galaxy is

a)

circular

b)

elliptical

c)

spiral

d)

none of the above

18.

The different colors of different stars are due to the variation of _____.

a)

temperature

b)

pressure

c)

density

d)

radiation from them

19.

The speed of light with the rise in the temperature of the medium :

a)

increases

b)

decreases

c)

remains unaltered

d)

drops suddenly

20.

Clothes keeps us warm in winter because they :

a)

supply heat

b)

do not radiate heat

c)

prevent air from contacting the body

d)

prevent heat of the body from escaping.

21.

Which of the following occurred first?

a)

Albert Einstein propounded the General Theory of relativity

b)

Max Planck unveiled the Quantum Theory

c)

Guglielmo Marconi sent out first wireless signals

d)

Wright Brothers successfully flew an aircraft

22.

The animal which uses sounds as its 'eyes' is

a)

dog

b)

cat

c)

snake

d)

bat

23.

In the atmosphere ultraviolet rays are absorbed by

a)

oxygen

b)

nitrogen

c)

ozone

d)

helium

24.

What was the name of the space shuttle landed man on the moon?

a)

Eagle

b)

Columbia

c)

Challenger

d)

Apollo

25.

The energy emitted by the sun is due to

a)

chemical reaction

b)

nuclear fission

c)

nuclear fusion

d)

all of the above

26.

Sound travels in the form of _________ waves.

a)

Ultrasonic

b)

Sonic

c)

Longitudinal

d)

None Of These

27.

_______ is the shrillness or deepness of a sound.

a)

Waves

b)

Pitch

c)

Frequency

d)

Loudness

28.

The number of compressions (or rarefactions) that occur in one second is the _________ of the sound.

a)

Loudness

b)

Amplitude

c)

Time Period

d)

Frequency

29.

A push or a pull on an object is called:

a)

Mass

b)

Matter

c)

Force

d)

Speed

30.

A force that one surface exerts on another when the two surfaces rub against each other and causes objects to slow down or stop.

a)

Mass

b)

Motion

c)

Inertia

d)

Friction

31.

Which of the following statements are examples of FRICTION? (Check all answers that apply.)

a)

Rubbing your hands together

b)

Dragging your sister across the floor

c)

Earth pulled by the Sun

32.

The force that pulls objects toward each other is:

a)

Friction

b)

Gravity

c)

Balanced

d)

Equal

33.

The friction experienced by falling objects through the air is:

a)

Air Resistance

b)

Free Fall

c)

Gravity

d)

Inertia

34.

A unit of measure for force is called:

a)

Neutrons

b)

Newtons

c)

Watts

d)

Joules

35.

Speed in any given direction is:

a)

Acceleration

b)

Mass

c)

Velocity

d)

Altitude

36.

If a car travels 35 miles per hour north, what is the SPEED of the car?

a)

35mph

b)

35 mph North

c)

35 m/s

d)

35 m/s2

37.

If a car travels 35 miles per hour north, what is the car's VELOCITY?

a)

35 mph

b)

35 mph north

c)

north

d)

35 m/s

38.

Equal forces acting on an object in opposite directions; object will not move:

a)

Unbalanced Force

b)

Friction

c)

Gravity

d)

Balanced Force

39.

Forces that produce a nonzero net force, which changes an object's motion:

a)

Unbalanced Force

b)

Balanced Force

c)

Equal Force

d)

Nonzero Force

40.

The tendency of an object to resist any change in its motion is:

a)

Friction

b)

Gravity

c)

Inertia

d)

Balanced Force

41.

What type of force is shown in the picture?

a)

Unbalanced Force

b)

Balanced Force

42.

What type of force is shown in the picture?

a)

Unbalanced Force

b)

Balanced Force

43.

What are the poles of a magnet called?

a)

Top and Bottom

b)

East and West

c)

North and South

44.

What materials are attracted to magnets?

a)

Wood

b)

Iron

c)

Aluminum

45.

Which of the following has a larger gravitational pull?

a)

Earth

b)

Jupiter

c)

Mars

46.

What is the sun?

a)

Star

b)

Planet

c)

Asteroid

47.

About how long does it take for the moon to orbit the Earth?

a)

1 day

b)

1 month

c)

1 year

48.

What is NOT a renewable energy source?

a)

coal

b)

wind

c)

solar

49.

Why is light able to travel through space when sound cannot?

a)

Light is able to be reflected by objects.

b)

Light is able to travel through gas.

c)

Light is able to travel through a vacuum.

50.

Which physical property will change if you visit the moon?

a)

mass

b)

weight

c)

volume

51.

In which state of matter are the particles moving the fastest?

a)

solid

b)

liquid

c)

gas

52.

A machine that is programmed to perform tasks automatically is known as

a)

A virtual assistant

b)

A robot

c)

A simple machine

d)

An app

53.

Robots are primarily taking over human tasks that are(select all that apply)

a)

dangerous

b)

delicious

c)

dirty

d)

dull

e)

dusty

54.

Robots collect information about the environment using

a)

actuators

b)

end effectors

c)

motors

d)

sensors

55.

Match the following

a)

Control System

1.

Brain System

b)

Sensors

2.

see, touch, hear, smell, taste

c)

Actuators

Motors

3.

Muscle system to move the body

d)

Electricity

4.

Power Source

e)

End Effectors

5.

Tools to carry out tasks

56.

Which of these forces works only by combining electric and magnetic forces?

a)

Magnetic

b)

Electric

c)

Electromagnetism

57.

This force occurs when ions/atoms create attractive and repulsive forces.

a)

Magnetic

b)

Electric

c)

Electromagnetism

58.

What makes an electromagnet stronger?

a)

greater number of loops

b)

smaller number of loops

c)

decreasing the current

d)

decreasing the voltage

59.

An example of an electromagnet

a)

water bottle

b)

paper

c)

motor

d)

glass

60.

when electrons all spin in the same direction, they create an invisible force known as

a)

electricity

b)

magnetism

c)

motor

d)

electrons

61.

electrons have this type of charge

a)

positive

b)

negative

c)

neutral

62.

protons have this type of charge

a)

positive

b)

negative

c)

neutral

63.

When your hair stands on end, each strand repelling the other, you are experiencing

a)

magnetism

b)

ghosts

c)

static electricity