Science energy thingy

Question 1

Energy types

Answer 1

Gravitational/potential energy.
Kinetic energy.
Chemical energy.
Electrical energy.
Light energy.
Mechanical energy.
Thermal/heat energy.
Nuclear energy.
Sound energy.

Question 2

What is Energy?

Answer 2

Energy is what makes matter move or change.
*It is the ability to do work.
*The unit of measure for energy is the Joule (J).

Question 3

Math

Answer 3

Efficiency = useful energy/total energy x 100.
Useful energy = total energy – wasted energy
Wasted energy = total energy – useful energy.
Make sure to show each step to get full marks.

Question 4

who was the joule named after

Answer 4

James Prescott Joule

Question 5

Energy stores

Answer 5

what is inside something (burger is chemical for example).

Question 6

Convection

Answer 6

hot rise cold sink. Only works on liquids and gasses. The process of heat being transformed from one thing to another from gasses or liquids.