exam 1

Question 0

An object with potential energy is?

Answer 0

At rest

Question 1

The ability to do work is?

Answer 1

Energy

Question 2

What kinda energy do fuels contain?

Answer 2

Potential

Question 3

Are fuels, wind and moving water directly or partially dependent on solar energy?

Answer 3

Partially

Question 4

What method does heat energy travel by, from molecule to molecule?

Answer 4

Conduction

Question 5

Is wood a good conductor or insulator?

Answer 5

Insulator

Question 6

When a gas or liquid is heated, in which way does it’s me clued movie?

Answer 6

Away from each other

Question 7

When heat energy is transferred from the circulation of the heated materials it is called?

Answer 7

Convection

Question 8

Liquid & gasses transfer heat by what method?

Answer 8

Convection

Question 9

Radiant energy produces what kinda energy when it strikes matter?

Answer 9

Heat

Question 10

Light rays are a form of what kinda energy?

Answer 10

Radiant

Question 11

During photosynthesis, what kinda energy do plants use?

Answer 11

Radiant

Question 12

Photosynthesis results in the production of?

Answer 12

Oxygen

Question 13

Food and fuels are both forms of what kinda energy?

Answer 13

Chemical

Question 14

What is the longest wavelength of light visible to the human eye.

Answer 14

Red

Question 15

Can sounds energy pass through an empty space?

Answer 15

No

Question 16

Sounds with a high pitch are vibrating at what kinda frequency

Answer 16

High

Question 17

Is a pushing m against a rock but not moving it work?

Answer 17

No

Question 18

Name to measurements of work?

Answer 18

Power x time & force X distance

Question 19

What unit measures heat energy?

Answer 19

Calorie

Question 20

What unit measures force?

Answer 20

Foot- pound

Question 21

What is important when measuring power?

Answer 21

Time

Question 22

Name two materials which absorb radiant energy well?

Answer 22

Dark colors, soils and rocks:’

Question 23

Name materials that refract radiant energy well?

Answer 23

Light colord materials and large body’s of water

Question 24

Does matter have volume?

Answer 24

True

Question 25

Is the density of a of pound if Cotten and a pound of leaf the same?

Answer 25

Different

Question 26

carbon dioxide, water & glucose are all made of two or more elements?

Answer 26

Comepounds

Question 27

The smallest into of an element which contains the charistic of that element

Answer 27

Martins of different the. Irons of ton

Question 28

Matter witch a definite volume but without a definite shape is a?

Answer 28

Gas

Question 29

How do the number if protons and electrons relate in an atom?

Answer 29

They age equal

Question 30

What subatomic particles is farthest from nucleus of the atom, and is in the highest energy?

Answer 30

Electron

Question 31

Most of an atoms mass is in its?

Answer 31

Nucleus

Question 32

The chemical symbol for sodium is?

Answer 32

Na

Question 33

The most number of atoms represent by the formula is 2 CO2 is?

Answer 33

6?

Question 34

When two atoms join by sharing electrons, the bind I called?

Answer 34

Covalent

Question 35

An element that is found in all acid is?

Answer 35

Morhon

Question 36

An element that is found in all organic molecules is?

Answer 36

Carbon

Question 37

A substance has more hydroxyl ions (OH-) then hydrogen uibs (H+) it is,

Answer 37

A base

Question 38

A substance which helps make a chemical change happen, but is not changed its self in the process is called a?

Answer 38

Catalyst

Question 39

Rushing urn is an example of what kinda change?

Answer 39

A chemical phase?

Question 40

The process of changing from a gas to a liquid is called?

Answer 40

Condensation.

Question 41

A moisture in which the smallest particles if tie it more substances are evenly distributed is known as I ?

Answer 41

Solution

Question 42

The Celsius tempotureo at which water becomes a solid is?m

Answer 42

Melting point

Question 43

The temperature I. Which substance freezes is also it's?

Answer 43

0o

Question 44

What's the air pressure is low, the freezing point of water?

Answer 44

Decreases

Question 45

Negatively charged in its particles, 200 are needed to equal mass of apoton located out side nuclious?

Answer 45

Election

Question 46

Proton had a posture charge, has the same number of elections in an atom located with the neutrons in the nucleus.

Answer 46

Proton

Question 47

Neutrons have neutral charge have almost the San mass as protons with protons. The make one I I am atomv

Answer 47

The neutron