WorksheetsUnit 8 Energy Test Review
Total questions: 30
Worksheet time: 15mins
What does it mean to bounce off a surface?
pitch
reflect
refract
What is any push or pull?
energy
gravity
force
What is the force of attraction between two objects?
force
energy
gravity
What is the highness or lowness of a sound?
pitch
refract
tone
What is the ability to do work?
force
energy
velocity
True or False: A guitar string will vibrate if plucked.
True
False
True or False: A high frequency wavelength has wave tops that are far apart.
True
False
True or False: If you sing in a tile bathroom your voice will not echo.
True
False
True or False: When there is a rainbow in the sky, raindrops acts as prisms.
True
False
True or False: Humans can see all of the electromagnetic spectrum.
True
False
True or False: Lenses are tools used for refracting light.
True
False
True or False: The farther away an object is from the light source, the smaller the shadow.
True
False
Potential or Kinetic: Running
Potential
Kinetic
Potential or Kinetic: A ball on top of a hill
Potential
Kinetic
Potential or Kinetic: A light switch turned off.
Potential
Kinetic
Which of these machines is an example of a compound machine?
wedge
a pair of scissors
a wheel and axle
lever
The words concave and convex describe
types of lenses
types of light
the light spectrum
sound waves
To bend when passing from one object to another is to
reflect
magnify
transparent
refract
Forces can affect the rate of an object's motion. Which of these is a force?
friction
acceleration
speed
velocity
Astronauts in outer space float because one of the forces we experience on Earth is much less in space. Which force is it?
friction
velocity
gravity
acceleration
Energy is involved when you turn on a lamp. The lamp changes electrical energy into light energy. Which other form of energy is also involved when the lamp is on?
solar energy
heat energy
sound energy
wind energy
Skateboarding was first started in the 1950s, when all across California surfers got the idea of trying to surf on streets. Today, many people enjoy skateboarding. What change can a skateboarder make to increase the speed of a skateboard?
Make a longer ramp so it is not as steep.
Make a ramp as smooth and slick as possible.
Begin skateboarding from the middle of the ramp.
Wear a heavy backpack while skateboarding on a ramp.
A book falls on the floor. Which is the main form of energy that results when the book strikes the floor?
heat energy
light energy
sound energy
chemical energy
The pictures below show a boy and a girl playing musical instruments. The boy's guitar makes a higher sound than the girl's drum. Which reason BEST describes why this might happen?
The drum has a higher pitch than the guitar.
The drum makes a louder sound that the guitar.
The guitar's parts vibrate, but the drums parts do not.
The guitar's parts vibrate more quickly than the drum's parts.
Shreya is using a piece of equipment that she built. The picture below shows the position of the spring and the ball. If Shreya squeezes the spring to half its length in the picture, what effect will that have on the ball?
The ball will create more energy.
The ball's kinetic energy will decrease.
The ball's potential energy will increase.
The ball's potential energy will decrease.
The energy of flowing water can be converted into other forms of energy. Which form of energy does flowing water possess that can be converted into other forms of energy.
electrical energy
gravitational energy
kinetic energy
wind energy
What is absorbed by a red shirt?
all colors of light except a red light
red light
all light
white light
Who is the scientist that developed the 3 laws of motion?
Alexander Graham Bell
Benjamin Franklin
Sir Isaac Newton
Sir Smith Scott
Simple machines only have 1 or 2 main parts and make work easier. Which of the following is NOT an example of a simple machine?
seesaw
bicycle
ax
ramp
In a lever, the fixed point that the bar balances on is called the...
effort force
machine
resulting force
fulcrum
