What is Energy?
What is the definition of energy?
What is "the ability to do work"?
Electrical energy is the energy of moving particles. How would electrical energy be classified?
Brian rides his bike down a hill without needing to use the pedals. Which sentence best describes the change in energy that is occurring?
Kinetic energy is being stored as potential energy.
OR
Potential energy is transformed into kinetic energy.
What is "Potential energy is transformed into kinetic energy."
Which example best demonstrates kinetic energy?
A fully stretched rubber band
A person climbing a latter
An acorn hanging from an oak tree.
What is "a person climbing a latter"?
Energy occurs in many forms. Which of the following terms best describes kinetic energy?
What is "Motion"?
A slingshot works by placing a small object in a rubber band, pulling the object back as the illustration below shows, and then releasing the object to make it fly through the air.
When will potential energy be transformed into kinetic energy?
What is "when the slingshot is released"?
Energy can be transformed from one type to another. In which of the following situations is kinetic energy transformed into potential energy?
When a tree branch falls toward the ground
When a boulder rolls down a mountain
When a ball is thrown straight up into the air.
What is "When a ball is thrown straight up into the air."?
Emily planned an experiment for her science fair project. Why is it important to her to control variables during the experiment?
What is "it will allow her to know which factor affected her results."
Energy occurs in many forms. Which of the following sentences best describes potential energy?
What is "stored energy or has the potential to be used"?
Jerry tosses a ball into the air and watches it fall back to Earth. When does the ball only have potential energy?
What is "at its highest point in the air"?
What is the law of conservation of energy?
What is "energy cannot be created or destroyed; it transforms into different forms of energy"?
Zach is conducting an experiment to observe which type of fertilizer will allow a plant to grow the tallest. He put three plants in identical pots and placed them in the same location. He watered the plants each day with the same amount of water. Next, Zach measured the plant growth and then recorded his observations. What is Zach's control variable?
What is the "amount of water given to each plant"?
When does energy transfers occur?
What is "when one object transfers energy to another object"?
What type of energy is the following phrase describing?
A race-car traveling at its maximum speed.
What is "kinetic energy"?
How does the law of conservation of energy apply to the changes in potential and kinetic energy of a pencil as it falls to the ground?
What is "potential energy is converted into kinetic energy"?
What type of energy is the following phrase describing?
Water flowing near the top of a waterfall.
What is "both kinetic and potential energy"?