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WorksheetsUnit 2 Science Summative - Energy and Motion
Total questions: 49
Worksheet time: 25mins
The scientific definition of energy is the ability to
change states of matter.
change shape.
cause a change in health.
cause motion or change.
If two objects with different weights are moving at the same speed, the lighter object has
less energy than the heavier object.
more energy than the heavier object.
an unpredictable amount of energy.
the same amount of energy as the heavier object.
When an object moves slower, its energy of motion
is zero.
increases.
decreases.
remains constant.
How can a ball be given stored energy?
Roll it down a hill.
Lift it up to a high shelf.
Drop it from the top of a ladder.
Throw it to another person.
Scientists say that energy is conserved because energy
cannot be transferred between objects.
is created when a still object starts moving.
cannot be created or destroyed.
can be stored in an object raised to a height.
While playing outside in the snow, Mario pushes Kaylana down a steep sledding hill as shown here. Which of the following BEST explains when the sled gains the most energy of motion?
when Kayla gets on the sled
when Kayla gets off the sled
when Mario pushes the sled with his hand
when the sled stops at the bottom of the hill
Look at the picture of Phillip dropping a rock into the dirt. In this diagram, in which position does the rock have only stored energy?
1
2
3
4
When playing golf with her friends, Melina hits the ball off the ground using her fastest swing. When does her ball have the MOST energy of motion?
when it is sitting on the ground
when she hits it hard off the ground
when it lands on the grass and stops moving
when she picks it up and puts it back in her golf bag
Asad and Sebastian decide to go explore a mountain stream. When they get there, Sebastian drops a rock into the stream and Asad photographs the resulting splash shown here. Which answer BEST explains why the water splashes up in the photo?
Deep water has more energy.
Cold water has more energy.
Some of the energy from the water is transferred to the rock.
Some of the energy from the rock is transferred to the water.
Based on evidence in the table, which ball did NOT make the net move?
football
volleyball
beach ball
playground ball
Based on evidence in the table, which claim BEST explains why the net moved or did not move?
Energy can be lost.
Energy can be stored.
Lighter objects have more energy of motion.
Heavier objects have more energy of motion.
What happens when two objects collide?
Energy is changed into force.
Energy is transferred from one object to another.
Energy is created and the objects move faster.
Energy is destroyed and the objects move slower.
Which of the following collisions would cause a still object to move at the speed of the object that hit it?
A collision of a moving object with a lighter still object
A collision of a moving object with a heavier still object
A collision of a moving object with a still object of the same weight
A collision of a large, light object and a still object that is smaller, heavier
When two objects of the same weight traveling at different speeds collide head on, both objects
stop moving.
change direction and move at a slower speed.
change direction and move at their original speed.
bounce backward and travel at their original speed.
Some of the energy transferred during a collision can produce _________.
heat
light
sound
All of the above.
Scientists cannot predict what would happen when objects collide if
light were not conserved.
energy were not conserved.
speed affected the amount of energy.
weight affected the amount of energy.
While playing with toy cars, Kirsten and Luca each push a car toward the center of the room. What happens when the toy cars collide, as shown in the photograph below?
Energy is lost.
Energy is gained.
Energy is unchanged.
Energy is transferred.
In the image below, Jonah is about to kick the football. Which of the following BEST explains how Jonah can tell that energy transfers from his foot to the ball during the collision?
The ball does not move.
The speed of the ball changes.
The weight of the ball changes.
The weight and speed of the ball change.
Look at the photograph of Marisol hitting a golf ball with a golf club. Just as the photo was taken, the photographer heard a loud sound. Which BEST explains why the photographer heard a sound during the collision?
The motion of the ball changed.
The motion of the club changed.
Some of the energy transferred to the ball.
Some of the energy transferred to the air.
Which claim is BEST supported by the evidence in the chart?
The red bowling ball transferred the least amount of energy to the pins.
The green bowling ball transferred the least amount of energy to the pins.
The black bowling ball transferred the most amount of energy to the pins.
The blue bowling ball transferred the most amount of energy to the pins.
Based on evidence in the two trials, which ball knocked down the FEWEST pins?
red ball
blue ball
black ball
green ball
Which of the following is a way that energy can transfer without moving objects?
when it is carried by sound
when it is carried by light
when it is carried by heat
All of the above
All sound starts with
a source of heat
a vibration
a collision
a moving object
When an object gives off light, it
transfers energy
gains energy
gains heat
makes a sound
What happens when light bounces off of an object?
The light changes the temperature of the object
The light passes through the object
The light is absorbed
The light is reflected
The energy carried by sound, light, and heat is
decreased slightly
usually destroyed
always conserved
sometimes created
Catherine is learning to play the guitar. When she first opens the guitar case, she uses her finger to pluck a string. Look at the photo to see what happens. Which BEST explains what occurs next?
The vibrating string creates energy, resulting in a sound.
The vibrating string reflects energy in the air, resulting in a sound.
The vibrating string absorbs energy in the air, resulting in a sound.
The vibrating string transfers energy to the air, resulting in a sound.
Look at the picture below. It shows what Jameson sees at a parade. It is very loud at the parade. Which BEST explains why Jameson can feel the ground vibrating?
Energy from the sound of the drums transfers to his ears.
Energy from the sound of the drums transfers to the road.
Energy from the drums is carried by heat and absorbed by the road.
Energy from the drums is carried by motion and absorbed by his ears.
While he is making soup in a pot, Mr. Yamamoto turns on the stove. Which BEST explains what happens when he turns on the stove?
He adds energy and this causes the temperature in the pot to rise.
He adds energy and this causes the temperature in the pot to decrease.
He takes away energy and this causes the temperature in the pot to rise.
He takes away energy and this causes the temperature in the pot to decrease.
Mrs. Carlisle enjoys growing plants inside her house, and she likes to keep them in the kitchen next to the window. Which BEST explains what happens to her plants to help them grow?
They reflect energy from the light coming through the window.
They destroy energy from the light coming through the window.
They transfer energy from the light coming through the window.
They absorb energy from the light coming through the window.
Which claim BEST explains the results of the experiment?
A trumpet’s sound can make water vibrate by transferring energy to the water nearby.
A trumpet’s sound can make water in a glass vibrate regardless of how far away the trumpet is.
A trumpet’s sound can make water in a glass vibrate because the energy is absorbed by the air.
A trumpet’s sound can make water vibrate by creating energy only when the trumpet is 1 foot away.
Based on evidence in the table, which of the four trials caused a change in the water?
Trial 1
Trial 2
Trial 3
Trial 4
What is an electric current?
A mix of heat and sound
A collision of objects
A group of magnets
A flow of electric charges
To transfer energy carried by light to an electric current, you need a ______.
Turbine
Generator
Battery
Solar cell
A device that uses an electric current to produce motion is called a _______.
Motor
Turbine
Solar cell
Generator
In a speaker, an electric current moves a cone-shaped part, which
Turns a motor.
Transfers energy to the air.
Recharges a battery.
Lights a filament.
Which of the following is true of energy carried by sound, light, and heat?
The energy is always stored.
The energy does not transfer.
The energy is conserved.
The energy cannot be produced by an electric current.
Jeremiah receives this remote control car as a gift. Based on evidence in the photo, where does the car’s motor MOST LIKELY get its energy from?
steam
batteries
solar cells
electrical outlet
Emmanuel is filling a pot of water to make pasta. Emmanuel’s grandmother turns on the burner. Which of the following BEST explains how the pan warms up?
The energy lost by the electric current becomes light that warms the pan.
The energy lost by electric current becomes heat that warms the pan.
The energy lost by the electric current becomes light that cools the pan.
The energy lost by the electric current becomes heat that cools the pan.
Alejandra’s home has solar panels on the roof. When it is sunny, the energy from the solar panels heats up the water tank. It has been cloudy for two weeks straight. Which of the following is MOST LIKELY to happen?
The microwave will not heat food.
The washing machine will not start.
The water in the shower will be cold.
The lightbulb in the lamp will not give off light.
Something is wrong with Mr. Bancroft’s electric lawn mower. He brings it to a mechanic. The mechanic explains that the motor is not working. He shows Mr. Bancroft this diagram to show how energy flows in a motor. Based on the diagram, what is the correct flow of energy?
magnet -> electric current -> motion
electric current -> magnet -> motion
motion -> electric current -> magnet
magnet -> motion -> electric current
Which claim is BEST supported by the evidence in the table?
People can save energy by turning on sources they need.
People can create energy by turning off sources they need.
People can reduce their energy use by turning off sources they do not need.
People can increase their energy use by turning off sources they do not need.
Based on the evidence in the table, on which day did the Silvermans use the most energy?
Sunday
Monday
Tuesday
Wednesday
Many devices in the home use energy. Much of that energy enters homes in the form of (a) .
A nonrenewable resource is a resource that
comes directly from an organism.
does not cause harm to the environment.
is produced by nature, not by people.
cannot be replaced as quickly as it is used.
Which of the following is a renewable resource?
oil
coal
sunlight
natural gas
Mr. Gladstone wants to find a way to power his ranch that uses renewable energy. His wife does some research and shows him this photograph from a magazine called Green Energy. What type of renewable energy source is shown in the photograph?
an oil rig
a solar panel
a power plant
a wind turbine
Based on evidence in the table, which of the following reasons would BEST explain why some homeowners put up fewer solar panels than their neighbors?
Some homes are in the shade for most of the day.
Some roofs are covered in snow for several months.
Solar panels are expensive to install for some homeowners.
Solar panels are difficult to install on homes in the mountains.
Based on the data table, which street has the GREATEST percentage of homes with solar panels?
Booth Falls Road
Booth Falls Court
Manns Ranch Road
Bald Mountain Road
