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Anderson > Semester 1 Test > Flashcards

Semester 1 Test Flashcards

1
Q

What are the three states of matter?

A

Liquid, Gas, and Solid.

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2
Q

What is the fourth state of matter and how is it made?

A

Plasma, gas and energy

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3
Q

What contains only one atom?

A

Element

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4
Q

What contains multiple kinds of atoms chemically bonded together?

A

Compound

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5
Q

What contains multiple of the same atoms chemically bonded together?

A

Molecules

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6
Q

Jason likes milk and cheerios, Emma likes JUST cheerios, those are their:

A

Pure substance

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7
Q

What is multiple substances NOT bonded together?

A

Mixture

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8
Q

What is the scientific word for how many atoms are packed in one place?

A

Density

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9
Q

H on the periodic table is short for?

A

Hydrogen

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10
Q

He on the periodic table is short for?

A

Helium

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11
Q

Where can you find plasma in this room?

A

Fluorescent lights

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12
Q

Where can you find plasma in the real world?

A

Lightning, and the sun and the stars.

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13
Q

Solids you can’t bend without breaking are called what?

A

Crystalline

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14
Q

Solids you CAN bend without breaking are called what?

A

Amorphous

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15
Q

When liquids are attracted to themselves so they hold up an object it’s called?

A

Surface tension

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16
Q

When water repels it’s called?

A

Hydrophobic

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17
Q

When water attracts to itself it’s called?

A

Hydrophilic

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18
Q

Where is 99% of all matter in the world?

A

The stars

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19
Q

What’s it called when energy enters into something?

A

Endothermic

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20
Q

What’s an example of endothermic?

A

Baking brownies, evaporating water, Photosynthesis.

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21
Q

What’s it called when energy exits something?

A

Exothermic

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22
Q

Give an example of exothermic?

A

Digest food, decomposition, Corrosion.

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23
Q

When an object can float but only when it disturbs the volume of the fluid - it’s called?

A

Displacement

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24
Q

What are fluids?

A

Non- solids, like Gas and liquid.

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25
Q

When atoms speed up to make heat or slow down to not make heat it’s called?

A

Thermal energy

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26
Q

What units do we measure pressure with?

A

Pascal

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27
Q

Scientific word for when things are balanced equally?

A

Equilibrium

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28
Q

What do some fish have that allow them to sleep and not sink?

A

Swim bladder

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29
Q

What is the scientific word for the thickness of a liquid?

A

Viscosity

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30
Q

What makes a paperclip stay on top of water?

A

Surface tension

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31
Q

If I get my hand wet and water is sticking to it, what’s that called?

A

Hydrophilic

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32
Q

What happens when gas gets cold?

A

It moves slower and gets closer together.

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33
Q

Most common unit used for measuring pressure?

A

PSI

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34
Q

The atmosphere is an _______ of ___

A

Ocean of gas

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35
Q

The higher up you go the more what the air particles are?

A

Spread out

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36
Q

Nitrogen=

A

78%

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37
Q

Oxygen=

A

20%

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38
Q

Argon=

A

1%

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39
Q

Carbon Dioxide=

A

0.5%

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40
Q

Boyles law?

A

Volume up pressure down

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41
Q

Charles law?

A

Temp up Volume up

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42
Q

Gay-Lussac’s law?

A

Temp up Pressure up

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43
Q

Bernoullis principle?

A

Fast= low pressure
Slow= Fast pressure

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44
Q

What do divers have to worry about?

A

Nitrogen levels

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45
Q

What particles make up an atom?

A

Subatomic particles

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46
Q

Matter cannot be _______ or _________ only _______.

A

Matter cannot be created or destroyed only changed.

47
Q

What is the circular path of electrons around an atoms nucleus?

A

Orbitals

48
Q

The electrons in the outermost orbital are called?

A

Valence electrons

49
Q

What is the name of the scientist who came up with today’s periodic table?

A

Mandeleev

50
Q

What’s in protons and neutrons?

A

Quarks

51
Q

When atoms in a substance are rearranged it’s called a?

A

Chemical reaction

52
Q

If an atom loses or gains a negatively charged particle it’s called?

A

Ion

53
Q

If an atom loses or gains a particle that has NO charge it’s called?

A

Isotope

54
Q

How do we as animals make food?

A

Respiration

55
Q

What type of wave must travel through a medium?

A

Mechanical wave

56
Q

Type of wave when a force is pushed in the direction of the material?

A

Longitudinal

57
Q

What is the math term for the previous answer? (Longitudinal)

A

Parallel

58
Q

Type of wave when the force is sideways to the direction of the material?

A

Transverse

59
Q

What is the math term for the previous answer? (Transverse)

A

Perpendicular

60
Q

Swimming at an ocean what could cause dying because of being pulled under?

A

Undertow

61
Q

Swimming at a beach what could cause dying b/c of exhaustion?

A

Riptide

62
Q

The number of waves that occur in 1 second?

A

Frequency

63
Q

Speed of light?

A

670 million mph

64
Q

Distance around the earth?

A

25,000 miles

65
Q

Distance across the US?

A

3,000 miles

66
Q

Speed of sound?

A

760 mph

67
Q

The number of seconds that occur within a set number of waves?

A

Period

68
Q

Scientific word for wave?

A

Cycle

69
Q

Science name when a sound bends around a doorway and you hear someone in the hall talking?

A

Defraction

70
Q

Science name when a spoon in a glass of water looks broken where the air and water meet?

A

Refraction

71
Q

What is the scientific word when waves bounce off an object?

A

Reflection

72
Q

When waves in front of a fast jest build up, it “adds” energy which is scientifically called?

A

Constructive interference

73
Q

The previous answer uses what scientific concept that “subtracts” energy in a wave? (Noise cancelling headphones)

A

Destructive interference

74
Q

What kind of waves are sound waves?

A

Longitudinal

75
Q

What man made device allows deaf people to hear?

A

Cochlear implants

76
Q

What material absorbs sound waves rather than passing the energy on?

A

Insulation

77
Q

What kind of missiles are being used by military’s around the world?

A

Hypersonic

78
Q

What kind of bullets don’t go faster than the speed of sound, and are quieter?

A

Subsonic

79
Q

When military jets fly at the speed of sound it’s called what?

A

Mach 1

80
Q

What unit do we measure the volume of sound in?

A

Decibles or dB

81
Q

How many decibels is a whisper?

A

30dB

82
Q

When do humans start to feel pain? (Sound)

A

120dB

83
Q

What is the scientific for sounds below the human hearing range?

A

Infrasound

84
Q

What is the scientific name for sounds above the human hearing range?

A

Ultrasound

85
Q

When light travels by particular it’s called?

A

Photon

86
Q

What is the scientific word for the difference in brightness?

A

Intensity

87
Q

What letter represents the speed of light?

A

C

88
Q

Speed of light in mps is what number?

A

186,000

89
Q

Speed of light in mph is what number?

A

670,000,000

90
Q

An image in a mirror might look real but it’s only light waves creating a mirror image, this is called what?

A

Virtual image

91
Q

What lense spreads out light so you can see it more?

A

Concave lenses

92
Q

What lense bends light to the middle so you can “zoom in.”

A

Convex lenses

93
Q

What type of mirror makes the object smaller but gives you a wide view?

A

Convex

94
Q

What type of mirror magnifies an area, but doesn’t have a wide view?

A

Concave

95
Q

The clear plastic cords that allow light to transmit though them?

A

Fiber optics

96
Q

The splitting of white light into rainbow colors?

A

Dispersion

97
Q

What color is the absence of light?

A

Black

98
Q

What color is the combination of all visible light spectrum colors?

A

White

99
Q

X-rays have _____ energy than the visible light spectrum.

A

More

100
Q

1 thing about X-rays?

A

Too many x-rays can lead to cancer

101
Q

What special device do lab techs wear that measures how much radiation they’re exposed to?

A

Dosimeter badge

102
Q

Ultraviolet has ______ energy than the visible light spectrum.

A

More

103
Q

1 thing about ultraviolet

A

9% of light from the sun, causes sunburns

104
Q

Gamma rays have ______ energy than the visible light spectrum.

A

More

105
Q

1 thing about Gamma rays.

A

If they were to reach earth they’d kill us all

106
Q

What blocks Gamma rays?

A

Our earths magnetic field

107
Q

Infra-red has _____ energy than the visible light spectrum.

A

Less

108
Q

1 thing about infra-red

A

The light from the sun that warms hs

109
Q

Microwaves have ____ energy than the visible light spectrum.

A

Less

110
Q

1 thing about microwaves

A

Reflects metal, so it explodes

111
Q

Radio-waves have ____ energy than the visible light spectrum.

A

Less

112
Q

1 thing about radio-waves.

A

Used to locate the rough position of things.

113
Q

What does GPS mean?

A

Global positioning system

114
Q

How can radio towers pinpoint your location?

A

Triangulation

Anderson (13 decks)

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