Kinetic Energy
Which one has kinetic energy?
A soccer ball flying through the air
A soccer ball on the ground
A soccer ball on the table
A soccer ball flying through the air
Which one of these has potential energy?
A charged battery
A person skateboarding down a ramp
A charged battery
Can energy be both transferred and converted?
Yes
What is evidence?
Information that is used to support or go against a claim.
Explain one of the systems you created and how it works.
Answers may vary.
What is one example of something that has kinetic energy?
Answers may vary
Name something that has potential energy.
Answers may vary.
Is a battery potential or kinetic energy?
Potential
What is a claim?
Answer to a question about the natural world.
One fitness magazine suggested that the food that you eat is like a battery because it has energy. Do you think that a banana that someone eats before a run has energy? Explain why you think this.
The person has energy because they are running. He had to get that energy to run from somewhere, and I think that energy came from the banana.
Which point in a rollercoaster is there the most kinetic energy?
When the rollercoaster is going down a big hill.
Which one has more potential energy?
A bow and arrow being stretched
A bow and arrow not being stretched
A bow and arrow being stretched
If I was playing music and my phone died, why did the phone start playing again?
The battery pack transferred energy to the phone.
What is the definition of energy?
The ability to make things move or change.
After I plug my phone into a battery pack, does the amount of energy in the battery pack increase, decrease, or stay the same? Explain why.
The amount of energy in the battery pack decreases after I plug it in. This is because energy is transferred from the battery pack to his phone, so there must be less energy in the battery pack.
When does a wind-up toy have kinetic energy?
When the toy is wound up and moving across a the platform.
Which point of a rollercoaster is the potential energy at its highest?
When the rollercoaster is at its tallest peek.
Nothing creates energy. If something has energy, the energy must have been transferred from
something else.
What is the definition of transfer?
To move from one object to another or one place to another.
Describe the difference between claim, evidence, and reasoning.
Claim- a proposed answer to a question about the natural world
Evidence- information about the natural world that is used to support or go against (refute) a claim
Reasoning- the process of making clear how your evidence supports your claim
What is Kinetic Energy?
The energy that something has because it is moving.
What is Potential Energy?
The energy that is stored in an object or system.
Which form of energy are we helping the rescue team create energy for?
Light energy
What is the definition of convert?
To change from one type to another.
Halfway through a run, my music stops playing, was there energy in my phone? What is your evidence?
Halfway through my run when the music stopped playing, there was no energy in my phone. My evidence is that the phone couldn’t play music anymore.