Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science > Energy Transformations > Flashcards

Energy Transformations Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

what is energy?

A

the ability to cause change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is kinetic energy?

A

energy due to motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what 2 factors does kinetic energy depend upon?

A

speed and mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

does speed or mass have a greater effect for kinetic energy?

A

speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is potential energy?

A

stored energy due to the interactions between objects or particles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is gravitational potential energy?

A

energy stored in an object due to the objects mass and height above the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what effects GPE?

A

the objects weight and height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how does GPE become kinetic?

A

when you drop the item

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

examples of GPE

A

wrecking ball, object on a shelf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is elastic potential energy?

A

stored energy when an object is compressed or stretched

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

how do you create/increase EPE?

A

when you stretch or compress an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

how does EPE become kinetic energy?

A

when you release the object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

examples of EPE

A

a compressed spring, stretched rubber band

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is chemical potential energy?

A

stored energy in chemical bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how is CPE created?

A

since it’s stored in between the bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

how does CPE become kinetic energy?

A

when the bonds are broken

17
Q

examples of CPE

A

digestion, walking, thinking, burning fuel, chemical reactions

18
Q

what is work

A

the transfer of energy that occurs when a force is applied over a distance

19
Q

what factors does work depend upon?

A

force and distance

20
Q

how do we measure work?

A

Joules

21
Q

when is the only time work is done?

A

if the object is in motion and has energy

22
Q

the total energy of an object or group of objects due to the large-scale motions and interactions

A

mechanical energy

23
Q

what do machines do to mechanical energy?

A

they transfer energy

24
Q

example of mechanical energy

A

shooting a basketball

25
Q

the energy that sound carries

A

sound energy

26
Q

how is sound energy created?

A

by objects vibrating

27
Q

how does sound energy travel?

A

cannot travel through a vacuum

28
Q

examples of sound energy

A

playing a guitar

29
Q

energy due to the motion of particles that make up an object

A

thermal energy

30
Q

how does thermal energy flow?

A

if moves from warmer objects to colder objects

31
Q

examples of thermal energy

A

boiling water on a stove

32
Q

the energy that an electric current carries

A

electric energy

33
Q

how does electric energy flow?

A

Science (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions