Force and Motion
Work and Power
Energy and Heat
Electromagnetism
Waves
100 What type of movement is happening in this graph?

Constant speed or constant velocity

100

This simple machine is defined as "a long beam resting on a balance point called a fulcrum"

A lever

100

Is wood a good example of an insulator or conductor?

Insulator

100

In terms of magnetic poles and electric charges:

Opposites _________

Likes __________

Opposites Attract

Likes Repel

100

What are the two different types of mechanical waves?

Transverse Waves

Longitudinal/Compression Waves

200 What type of movement is happening here?

Constant acceleration, a gradual speeding up

200

True or false?

"A bicycle is a simple machine"

False.

A bicycle is a compound machine, a combination of simple machines working together.

200

Heat moves in which direction?

From _______ to _______

From HOT to COLD

200

What is another name for the flow of energy through a circuit?

Current

200

Which type of electromagnetic wave can damage skin and cause sunburn?

Ultraviolet waves

300
F = m a

acceleration of gravity = 9.8 m/s2

How much force does a 250 kg rock hit the ground with?

2,450 Newtons

300

W = f d

How much Work is a football player doing when he exerts 300 N of force during a tackle, shoving the other player 5 meters?

1,500 joules

300 Which ball has more Potential Energy?

The green ball

300 If lightbulb A is unplugged, what will happen to lightbulb C?

It will stay lit.

300

What type of electromagnetic wave is useful for emitting heat?

Infrared waves

400 Which of Newton's 3 Laws is best displayed in the picture?

Newton's 1st Law (The Law of Inertia)

"Things at rest stay in rest, things in motion stay in motion, unless acted on by an outside force."

400

P = W / t

If a single light bulb needs 40 watts of Power, How many bulbs could be lit by a generator doing 1,000 joules of Work every 5 seconds?

5 light bulbs

400

True or false?

"All particles are moving, all the  time"

True.

Heat causes particles to vibrate. Hotter particles vibrate more, but even colder particles vibrate very slowly

400

V = I R

A motor has a resistance of 5 Ω. If the circuit is running a current of 5 A, how much voltage is the power source producing?

25 Volts

400

v = λ f

A wave particular wave has a wavelength of 5 m and a frequency of 60 Hz. What is the speed of this wave?

300 m/s

500

a = Δv / t

Which car is accelerating faster?

Car A can go from 10 m/s to 60 m/s in 5 s.

Car B can go from 20 m/s to 75 m/s in 6 s.

Car A

(Car A accelerates at 10 m/s2

Car B accelerates at 9.16 m/s2)

500

P = W / t

W = f d

A factory manager uses 20 N of force to push a crate 10 meters in only 5 seconds. How much Power did she require?

40 Watts

500

KE = (1/2) m v2

How much Kinetic Energy does a 80 kg snowboarder have if she is traveling at 10 m/s?

4000 Joules

500

V = I R

If a circuit is powered by an 8 V battery, what is the current required to power a 4 Ω lightbulb?

2 amps

500

v = λ f

A sound wave is traveling 340 m/s. If it's frequency is 20 Hz, what is the sound wave's wavelength?

17 meters

Click to zoom