Final Review First Semester

Question 1

Archimede’s Principle

Answer 1

Upward force on fluids make things on liquids float

Question 2

Bernoulli’s Principle

Answer 2

Speed increases, you create a low pressure region

Question 3

Pascal’s Principle

Answer 3

Liquids exert force everywhere

Question 4

How does heat move?

Answer 4

From a higher temperature object to a lower temperature object.

Question 5

Properties of a solid

Answer 5

Compact, definite volume, and shape

Question 6

Properties of a liquid

Answer 6

no shape, definite volume

Question 7

Properties of a gas

Answer 7

no shape or volume

Question 8

Conduction

Answer 8

objects touching

Question 9

Radiation

Answer 9

electromagnetic radiation

Question 10

Convection

Answer 10

moving currents

Question 11

Evaporation

Answer 11

creates a cold feeling

Question 12

Condensation

Answer 12

creates a hot feeling

Question 13

Charles’ Law

Answer 13

If you increase the temperature then you increase the volume , and opposite

Question 14

Boyle’s Law

Answer 14

If you increase the pressure then you decrease the volume, and opposite

Question 15

Gay-Lussac’s Law

Answer 15

If you increase the pressure then you increase the temperature, and opposite

Question 16

Define specific heat

Answer 16

Amount of energy required to raise the temperature 1g of a substance by 1 degree celsius

Question 17

What would have a high specific heat capacity, a conductor or an insulator?

Answer 17

Insulator, because it holds onto more heat

Question 18

What material has the highest specific heat capacity?

Answer 18

Water

Question 19

Why does wood float on water?

Answer 19

it is less dense than the water

Question 20

When a object floats its buoyant force is ………than the weight of the object?

Answer 20

greater

Question 21

A solid holds its shape because its structure is ………?

Answer 21

denser

Question 22

The kinetic theory states that the particles in matter are always……?

Answer 22

moving

Question 23

A………. is a device used to measure temperature?

Answer 23

Thermometer

Question 24

What is a conductor

Answer 24

a object that can be easily transferred as heat

Question 25

What is absolute zero

Answer 25

the temperature at which an objects energy is minimal

Question 26

What is an insulator

Answer 26

a poor energy conductor (coat) keeps your body heat in

Question 27

What is the first law of thermodynamics?

Answer 27

that the total energy used in any process is conserved

Question 28

What is the second law of thermodynamics?

Answer 28

A system moves from a high energy state to a low energy state

Question 29

In a heat engine, chemical energy is converted to mechanical energy through what?

Answer 29

Combustion

Question 30

When energy is transformed, the amount of usable energy always ......?

Answer 30

Decreases