Forms Of Enegry

Question 1

The ability to do work or cause change

Answer 1

Energy

Question 2

Most of our energy comes from

Answer 2

The sun

Question 3

Forms of energy (7)

Answer 3

Mechanical, radiant, chemical, electrical, nuclear, thermal, sound

Question 4

Energy of moving objects

Answer 4

Mechanical energy

Question 5

2 types mechanical energy

Answer 5

Potential and kinetic

Question 6

• Energy of light; also referred to as light energy or electromagnetic energy
• Travels in waves
• Travels in a straight path from one place to another

Answer 6

Radiant Energy

Question 7

• Energy stored in the bonds of molecules
• Involved when chemical reactions take place
• A form of potential energy
Food
Examples of Chemical Energy
Coal
Battery
0000

Answer 7

Chemical Energy

Question 8

• Energy stored in the bonds of molecules
• Involved when chemical reactions take place
• A form of potential energy

Answer 8

Chemical Energy

Question 9

The energy of moving electrons or electric charges
• Electricity is used by many different objects in our daily lives
• Electricity was first used in homes in the late 1800s

Answer 9

Electrical energy

Question 10

The energy locked in the nucleus of an atom

Answer 10

Nuclear energy

Question 11

the process of splitting an atom

Answer 11

Nuclear fission

Question 12

two or more atoms violently joined together to make a larger atom

Answer 12

Nuclear fusion

Question 13

The energy of heat

Answer 13

Thermal energy

Question 14

Particles of hot objects move ______ than the particles of cooler objects

Answer 14

Faster

Question 15

The energy from vibrations in matter

Answer 15

Sound

Question 16

________is related to the average kinetic energy of the particles in a substance.

Answer 16

Temperature

Question 17

K =

Answer 17

C + 273

Question 18

C =

Answer 18

K - 273

Question 19

Even if the temperature doesn’t change, the thermal energy in a more massive substance is _______

Answer 19

Higher

Question 20

The flow of thermal energy from one object to another.

Answer 20

Heat

Question 21

Heat always flows from _____ to _____ objects.

Answer 21

Warmer to cooler

Question 22

There are 3 different ways to transfer thermal energy:

Answer 22

Conduction, convection, radiation

Question 23

Heat transfer through solid

Answer 23

Conduction

Question 24

Heat transfer through gasses and liquids

Answer 24

Convection

Question 25

Heat transfer through waves

Answer 25

Radiation

Question 26

Some things heat up or cool down faster than others due to

Answer 26

Specific heat

Question 27

is the amount of heat required to raise the temperature of 1 kg of a material by one degree

Answer 27

Specific heat

Question 28

How to calculate changes in thermal energy

Answer 28

Q = m x dt x cp

Question 29

Mass density formula

Answer 29

P=mass/volume

Question 30

Relative densitiy formula

Answer 30

Density/1000kg/m^3

Question 31

The _________, of a material is the ratio of its density to the density of water

Answer 31

relative density P

Question 32

________is the ratio of a force F to the area A over which it is applied:

Answer 32

Pressure

Question 33

Formula of pressure

Answer 33

Force/Area