WorksheetsQ1 8G Science Grade Booster
Total questions: 15
Worksheet time: 8mins
The picture below shows a pair of maracas at rest. The maracas possess—
Neither kinetic or potential energy.
Both kinetic and potential energy.
Potential energy and no kinetic energy.
Kinetic energy and no potential energy.
The picture below shows a train as it approaches a hill. This train can only make it over the hill if it approaches at its top speed because it will lose speed as it climbs. What changes are taking place in the train’s potential and kinetic energy as it climbs the hill?
The train’s potential energy is increasing and its kinetic energy is increasing.
The train’s potential energy is decreasing and its kinetic energy is decreasing.
The train’s potential energy is decreasing and its kinetic energy is increasing.
The train’s potential energy is increasing and its kinetic energy is decreasing.
Which of the following best describes the transformation of energy that occurs in a car’s engine?
Chemical energy in fossil fuels is transformed into mechanical energy
Geothermal energy from the fossil fuels is destroyed as the car moves
Potential energy is created by combining fossil fuels and heat
Nuclear energy is released when the atoms of fossil fuels are broken down
Which of the following is NOT an example of potential energy?
Chemical Energy
Electrical Energy
Gravitational Energy
Nuclear Energy
The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck
can accelerate faster than the other two vehicles
is traveling in the opposite direction from the other two vehicles
is traveling on a curve in the road
needs a large amount of force to move
What is the difference between the velocity and the speed of an object?
Velocity is the change in distance over time, while speed is the change in velocity over time.
Velocity has a direction associated with it, while speed has no specific direction
Velocity has no direction associated with it, while speed has a specific direction
Velocity is the change in speed over time, while speed is the change in distance over time
Which of the following best describes the velocity of an object?
30 m/s
30 m east
30 m/s east
30 m/s2
The diagram below shows a student using a spring scale to pull a wooden block up a ramp that is resting on a stack of books. Which change would require more force to pull the wooden block up the ramp?
Have the student use two hands
Reduce the mass of the wooden block
Restack the books so the thinnest book is on the bottom
Glue sandpaper to the surface of the ramp
Miniature golf is a game in which players hit a golf ball with a club, which causes the ball to roll along the flat ground. Three golf balls with the same mass were rolling on the ground. Each ball was hit by a golf club, but not from the same direction. All the golf balls changed speed as a result of being hit. Use the information in the diagram to answer. Which golf ball(s) experienced the strongest force when hit? How do you know?
The white and purple golf balls because they gained force, while the green golf ball lost force.
The green golf ball because it takes a stronger force to slow something down than to speed something up.
The green golf ball because it changed speed the most.
The white golf ball because it has the fastest ending speed.
Three toy boats with the same mass were in a lake. Two boats were moving and one was stopped. Each boat got bumped by another boat, but not in the same direction. All the boats changed speed as a result of being bumped. Use the information in the diagram to answer. Which toy boat(s) experienced the strongest force when it was bumped? How do you know?
The blue toy boat experienced the strongest force because it takes a stronger force to slow something down than it takes to speed something up.
The gray toy boat experienced the strongest force because it had the fastest ending speed.
The orange and gray toy boats experienced the strongest forces because they both gained the same force as they sped up. The blue boat lost force, so it slowed down.
All three toy boats experienced the same strength force because they changed speed by the same amount.
At dinner, Hans passed the salt shaker to his sister Jessica by sliding it across the wooden table. The salt shaker gradually slowed down and stopped after moving after 12 centimeters.
Why did the salt shaker stop moving?
The salt shaker ran out of force.
The table exerts a force that is opposite to the salt shaker’s motion.
The table absorbs force from the salt shaker.
All objects stop moving because their natural state is to be still.
Which option below shows a slow down in velocity?
none of the above
To speed up something, you need to exert a force that is going
in the opposite direction of the motion
in any direction
in the same direction of the motion
Which option below needs a force going in the opposite direction to the original motion?
All of the above
What is this Amplify module's mystery phenomenon?
Why did the space pod went in the opposite direction instead of stopping at the space station?
Why did the space pod crashed into the space center instead of stopping at the space station?
Why did the space pod thrusters didn't turn on?
Why did the space pod fail to collect asteroid material?
