Energy

Question 1

we ____________ and we ____________

Answer 1

we cannot destroy energy and we cannot create energy

Question 2

what are the two kinds of energy?

Answer 2

potential and kinetic

Question 3

what is potential energy?

Answer 3

storage in objects that are not moving

Question 4

on what depends potential energy?

Answer 4

on the height and the mass of an object

Question 5

what are the 3 kinds of potential energy?

Answer 5

elastic potential energy
gravitational potential energy
chemical potential energy

Question 6

describe potential elastic energy

Answer 6

transformed to kinetic because of elasticity

Question 7

describe gravitational potential energy

Answer 7

transformed to kinetic because of gravity

Question 8

describe chemical potential energy

Answer 8

transformed to kinetic by chemical reactions

Question 9

what is kinetic energy?

Answer 9

objects in motion

Question 10

on what depends the kinetic energy?

Answer 10

on the mass and the speed

Question 11

true or false: kinetic energy can be transferred from one object to another

Answer 11

true

Question 12

what is energy?

Answer 12

the ability to do work