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Exam 1 Pg 1-65 Energy > exam 1 > Flashcards

exam 1 Flashcards

0
Q

An object with potential energy is?

A

At rest

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1
Q

The ability to do work is?

A

Energy

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2
Q

What kinda energy do fuels contain?

A

Potential

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3
Q

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

A

Partially

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4
Q

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

A

Conduction

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5
Q

Is wood a good conductor or insulator?

A

Insulator

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6
Q

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

A

Away from each other

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7
Q

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

A

Convection

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8
Q

Liquid & gasses transfer heat by what method?

A

Convection

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9
Q

Radiant energy produces what kinda energy when it strikes matter?

A

Heat

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10
Q

Light rays are a form of what kinda energy?

A

Radiant

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11
Q

During photosynthesis, what kinda energy do plants use?

A

Radiant

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12
Q

Photosynthesis results in the production of?

A

Oxygen

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13
Q

Food and fuels are both forms of what kinda energy?

A

Chemical

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14
Q

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

A

Red

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15
Q

Can sounds energy pass through an empty space?

A

No

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16
Q

Sounds with a high pitch are vibrating at what kinda frequency

A

High

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17
Q

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

A

No

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18
Q

Name to measurements of work?

A

Power x time & force X distance

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19
Q

What unit measures heat energy?

A

Calorie

20
Q

What unit measures force?

A

Foot- pound

21
Q

What is important when measuring power?

A

Time

22
Q

Name two materials which absorb radiant energy well?

A

Dark colors, soils and rocks:’

23
Q

Name materials that refract radiant energy well?

A

Light colord materials and large body’s of water

24
Q

Does matter have volume?

A

True

25
Q

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

A

Different

26
Q

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

A

Comepounds

27
Q

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

A

Martins of different the. Irons of ton

28
Q

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

A

Gas

29
Q

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

A

They age equal

30
Q

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

A

Electron

31
Q

Most of an atoms mass is in its?

A

Nucleus

32
Q

The chemical symbol for sodium is?

A

Na

33
Q

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

A

6?

34
Q

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

A

Covalent

35
Q

An element that is found in all acid is?

A

Morhon

36
Q

An element that is found in all organic molecules is?

A

Carbon

37
Q

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

A

A base

38
Q

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

A

Catalyst

39
Q

Rushing urn is an example of what kinda change?

A

A chemical phase?

40
Q

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

A

Condensation.

41
Q

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

A

Solution

42
Q

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

A

Melting point

43
Q

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

A

0o

44
Q

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

A

Decreases

45
Q

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

A

Election

46
Q

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

A

Proton

47
Q

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

A

The neutron

Exam 1 Pg 1-65 Energy (6 decks)

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