That darn apple!
Speed it up!
Let's Eat!
E-N-E-R-G-Y
Odds & Ends
100
As an apple comes lose from a tree, it accelerates downward due to this
What is gravity?
100
The kinetic energy of an object increases as this increases
What is velocity?
100
Carbohydrates and fats provide our bodies with energy in the form of this
What is calories?
100
Energy is defined as this
What is the ability to cause change?
100
This states that energy cannot be created or destroyed
What is the law of conservation of energy?
200
An apple in a tree has high this
What is gravitational potential energy?
200
Increasing the speed of an object does this to its potential energy.
What is does not affect?
200
When you move your hand or foor, your body has converted potential energy into this
What is kinetic energy?
200
These are the four main forms of energy
What is electrical, chemical, thermal, and radiant?
200
The SI unit for energy
What is the Joule?
300
We use this formula to calculate the apple's GPE
What is GPE = mgh or mass X acceleration due to gravity X height?
300
In a car, chemical energy from fuel is converted into this type of energy
What is mechanical energy?
300
4,184 J is also equal to this
What is 1 calorie?
300
The energy a moving object has because of its motion
What is kinetic energy?
300
According to the law of conservation of energy, the total amount of energy in the universe does this
What is remains the same?
400
Compared to an apple high in the tree, an apple that is lower on the tree has this
What is lower gravitational potential energy?
400
As you are running, your body uses this type of energy
What is chemical energy?
400
Humans store excess calories as this
What is fat?
400
To calculate kinetic energy we use this formula
What is KE= 1/2mv^2
400
Friction converts mechanical energy into this
What is thermal energy?
500
By adding the apples potential energy and kinetic energy we can calculate this
What is mechanical energy?
500
A high flying baseball, at the highest point of its arc, has low this and high this
What is low kinetic energy and and high gravitational energy?
500
This activity requires the least amount of calories
What is sleeping?
500
In a nuclear fusion reaction, this is transformed into energy?
What is mass?
500
Toasters, radios, and digital cameras use this
What is electrical energy?
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