Science Test #2 Energy and Compounds

Question 1

Energy that is stored is called

Answer 1

Potential Energy

Question 1

True or False
Heat can be energy

Answer 1

True

Question 2

True or false
Light is Not a Type of energy

Answer 2

False

Question 3

True OR False
There is no such thing as nuclear energy

Answer 3

False

Question 4

True or False
Chemical Energy is real

Answer 4

True

Question 5

True or False
Energy can be electrical

Answer 5

True

Question 6

Energy of motion is called ________

Answer 6

Kinetic Energy

Question 7

The transfer of energy by collisions between the atoms in the material is called

Answer 7

Conduction

Question 8

A measure of the average kinetic energy in an object

Answer 8

temperature

Question 9

Energy is released

Answer 9

When bonds form

Question 10

energy must be added

Answer 10

to break bonds

Question 11

a transfer of energy from one object to another due to a difference in temperature

Answer 11

heat

Question 12

compounds are broken down, new compounds are formed, or both

Answer 12

chemical reaction

Question 13

________ is the transfer of energy by collisions between the atoms in a material

Answer 13

conduction

Question 14

An energy transfer that causes a temperature change is ________

Answer 14

Heat

Question 15

__________ energy is the energy stored in the chemical bonds of a substance

Answer 15

chemical

Question 16

___________ transfers heat when particles move from one place to another

Answer 16

convection

Question 17

The transfer of energy by waves in all directions from its source is

Answer 17

radiation

Question 18

if you put a spoon in a cup of hot water it will come out hot what is this called

Answer 18

conduction

Question 19

a furnace is heat coming from a vent what is this called

Answer 19

radiation

Question 20

if you leave an egg in vinegar and wait the shell will melt off what is this called

Answer 20

convection

Question 21

chemical ___________ __________ stored in oil gas and coal is used every day

Answer 21

potential energy

Question 22

scientist refer to the potential energy within chemical bonds as _________

Answer 22

chemical energy

Question 23

Energy is stored in the _________ between the atoms in a compound

Answer 23

bonds

Question 24

muscles in your body transform chemical energy into ________ _______ and heat when they move

Answer 24

kinetic energy

Question 25

in chemical reactions chemical bonds ______ between some particles and ______ between other particles

Answer 25

form between some and break between others

Question 26

chemical reactions that absorb energy are called

Answer 26

Endothermic reactions

Question 27

A photosynthesis reaction in a plant cell transforming energy from sunlight into chemical energy is an

Answer 27

Endothermic Reaction

Question 28

Living things depend on ________ for food and oxygen

Answer 28

photosynthesis

Question 29

Exothermic reactions are chemical reactions that _____ energy

Answer 29

release

Question 30

rates of chemical reactions can be changed by a substance called a ________ whose own structure is not changed by a reaction

Answer 30

catalysts

Question 31

greater amounts of sugar will dissolve in water if the water is _____

Answer 31

Hot/heated

Question 32

your body relies on biological catalysts called _______ to control cell possess

Answer 32

Enzymes

Question 33

True of false in a chemical reaction the state of a substance changes but the substance itself is not changed

Answer 33

false

Question 34

True or false rusting is a chemical reaction that occurs when metal combines with oxygen

Answer 34

True

Question 35

True or False All chemical reactions occur at the same rate

Answer 35

False

Question 36

True or False Every chemical reaction includes some energy transformation

Answer 36

True

Question 37

True or False not every chemical reaction gives off energy

Answer 37

True