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WorksheetsEnergy Conservation and Simple Machines
Total questions: 20
Worksheet time: 10mins
Which activity uses energy to do work?
Sleeping
Walking
Sitting
Standing
A simple machine does work with
No energy
An electric current
One motion
Heat
Which simple machine combines an inclined plane and a cylinder?
Lever
Wheel & Axel
Wedge
Screw
The transfer of energy that occurs when force makes an object move.
Energy Transformation
Kinetic Energy
Potential Energy
Work
The conversion of energy into a different form.
Energy Transformation
Kinetic Energy
Potential Energy
Work
Select all that are chemical energy.
Gasoline powering a car
Earthquake
Body getting energy from food
Wind moving a turbine
Water moving a turbine
Energy is not created or destroyed, only transformed.
Newton's 3rd Law
Law of Conservation of Mass
Law of Conservation of Energy
Law of Conservation of Motion
Select all that are radiant energy.
Radio waves
Microwaves
Earthquake
Sunlight
Lamp Light
Select all that apply to a rollercoaster at the top of the hill.
High Kinetic Energy
Low Kinetic Energy
High Gravitational Potential Energy
Low Gravitational Potential Energy
Select all that apply to a rollercoaster at the bottom of the hill.
High Kinetic Energy
Low Kinetic Energy
High Gravitational Potential Energy
Low Gravitational Potential Energy
The sum of potential energy and kinetic energy in a system of objects is
Mechanical Energy
Total Energy
Systematic Energy
Gravitational Potential Energy
Select all of the simple machines
Knife
Ramp
Bicycle
Pizza Cutter
Car
Select all of the simple machines
Robot Butler
Bicycle wheel & axle
Screw
Phone
Elevator Pulley
Which of the following is an example of conduction?
Burning yourself on a hot object
Sunshine on a nice day
A hot air balloon
A campfire
Which of the following is an example of convection?
Wind Currents
Chocolate melting in your hand
Your desk getting hot after working on your computer
Feeling the sunshine while laying on the beach
Copper, iron, silver, and steel are examples of good __________.
Conductors
Insulators
Wood, paper, styrofoam, and air are all examples of __________.
Conductors
Insulators
Which correctly describes the change in energy as a ball rolls off of a shelf?
Potential energy decreases and kinetic energy increases
Potential energy increases and kinetic energy decreases
Potential energy increases and kinetic energy stays the same
Potential energy stays the same and kinetic energy decreases
When does kinetic energy change to potential energy?
When a car stalls at the top of a hill
A ball rolls off of a porch
A pitcher throws a curveball
A child jumps into a pool
Which has the most kinetic energy?
A book on a shelf
A baby asleep in a crib
A parked car
A waterfall
