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General Science Flashcards

1
Q

It is a systematic study of the structure and behavior of the physical and natural world through observation and experiment.

A

Science

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2
Q

It is the application of scientific study for practical purposes.

A

Applied Science (Technology)

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3
Q

What is the logical method that is used to acquire knowledge and to investigate phenomena in nature?

A

Scientific Method

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4
Q

What do you call a thing that is observed by the senses?

A

Phenomenon

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5
Q

It is a scientifically tested observation.

A

Fact

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6
Q

TRUE OR FALSE:

Biology is the science of living things.

A

True

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7
Q

What is the study of plants?

A

Botany

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8
Q

It is the science of matter and energy.

A

Physical Science

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9
Q

What is the study of the Universe beyond the Earth’s atmosphere?

A

Astronomy

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10
Q

What is the science of the atmosphere and its phenomena?

A

Meteorology

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11
Q

What is a way of writing numbers that are too big or too small?

A

Scientific Notation

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12
Q

It is a statement that describes and/or predicts what happens but does not provide an explanation for the event.

A

Scientific Law

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13
Q

What do you call a hypothesis that proposes why the event happens, which can be derived from observations?

A

Scientific Theory

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14
Q

TRUE OR FALSE:

The SI unit for temperature is amperes (A).

A

False (temperature is kelvin (K); amperes (A) is for electric current)

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15
Q

What is the SI unit for luminous intensity?

A

Candelas (cd)

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16
Q

What is the formula for fahrenheit to celsius?

A

C = 5/9 (F - 32)

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17
Q

TRUE OR FALSE:
The formula for celsius to kelvin is:
K = C + 273.15

A

True

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18
Q

What is the formula for celsius to fahrenheit?

A

F = 9/5 (C) + 32

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19
Q

How many significant figures are in 0.0034?

A

Two

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20
Q

TRUE OR FALSE:

There are four significant figures in 7,000

A

False (there is only one significant figure in 7,000 because trailing zeroes in a whole number with no decimal point are NOT SIGNIFICANT)

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21
Q

What is the galaxy that contains our solar system?

A

Milky Way

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22
Q

It is a huge sphere of hot gas emitting large amounts of radiant energy from nuclear reactions in its interior.

A

Star

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23
Q

TRUE OR FALSE:

Only stars can make their own light.

A

True

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24
Q

TRUE OR FALSE:

The life of a star depends on its color.

A

False (life of a star depends on its size)

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25
Q

The temperature of a star depends on its what?

A

Color; blue (hottest), white, yellow, orange, red (coldest)

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26
Q

What are celestial bodies moving in an elliptical orbit around a star?

A

Planets

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27
Q

These are natural satellites that revolve around a planet and reflect the light of a star.

A

Moons

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28
Q

What is the sequence of the birth of galaxies and the stellar systems that comprise them?

A

Nebula, Galaxy, Stars, Planets, Satellites

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29
Q

What are the terrestrial planets?

A

Mercury, Venus, Earth, Mars

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30
Q

What are the Jovian planets (gas giants)?

A

Jupiter, Saturn, Uranus, Neptune

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31
Q

TRUE OR FALSE:

Venus is the veiled planet.

A

True

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32
Q

It is also known as the red planet.

A

Mars

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33
Q

This planet is also called the “lord of heavens”

34
Q

What planet is also called the elegant planet?

35
Q

TRUE OR FALSE:

The sideway planet is Neptune.

A

False (the sideway planet is Uranus, Neptune is the windy planet)

36
Q

TRUE OR FALSE:

Asteroids are microplanets.

37
Q

What is a small icy body that heats up and releases gas when it passes near a star?

38
Q

It is a piece of asteroid that enters a planet’s atmosphere because of the planet’s gravitational pull.

39
Q

What is a piece of rock that is floating in space that has not yet been attracted by a planet’s gravitational pull?

40
Q

The meteor becomes a ______ after it lands on the planet’s surface.

41
Q

The Earth rotates from ____ to ____ for 24 hours.

A

West, East (respectively)

42
Q

What is the term for the movement of the earth along its orbit?

A

Revolution

43
Q

TRUE OR FALSE:

Winter solstice is when the North Pole leans farthest away from the sun.

44
Q

When does the winter solstice usually happen?

A

December 22

45
Q

______________ is when the North Pole leans nearest towards the sun.

A

Summer solstice

46
Q

TRUE OR FALSE:

The moon changes shape.

47
Q

What do you call the phenomena when the earth, the moon, and the sun fall in the same line?

48
Q

What are the types of eclipse?

A

Solar and Lunar eclipse

49
Q

What are the parts of an eclipse?

A

Umbra and penumbra

50
Q

What is the order of the Earth, Moon, and Sun in a Lunar eclipse?

A

Sun, Earth, Moon (respectively)

51
Q

What type of eclipse occurs when the moon partially or entirely covers the sun?

A

Solar eclipse

52
Q

What do you call the boundary between the troposphere and the stratosphere?

A

Tropopause

53
Q

What do you call the boundary between the stratosphere and the mesosphere?

A

Stratopause

54
Q

What do you call the boundary between the mesosphere and the thermosphere?

55
Q

What do you call the boundary between the thermosphere and the exosphere?

A

Thermopause

56
Q

What is the other term for the Thermosphere?

A

Ionosphere

57
Q

If El Niño is the warm phase, what is the cold phase?

58
Q

What are the chemical pollutants that destroy the ozone layer and increase exposure to strong radiation?

A

Chlorofluorocarbons (CFCs)

59
Q

What is the term for the amount of water vapor in the air?

60
Q

What are the kinds of clouds?

A

Cirrus, Cumulus, Stratus, Nimbus

61
Q

Which kind of cloud is dark and heavy rain clouds?

A

Nimbus clouds

62
Q

TRUE OR FALSE

Drizzles are droplets of water.

A

False (drizzles are VERY FINE droplets of water)

63
Q

It is precipitation in the form of balls or irregular lumps of ice.

64
Q

The kind of breeze when air from the sea moves towards the land to replace the rising air.

A

Sea breeze

65
Q

What is the term for the Southwest monsoon?

66
Q

_______ is the term for the Northeast monsoon.

67
Q

A storm produced by a cumulonimbus cloud and always accompanied by lightning and thunder is a ________.

A

Thunderstorm

68
Q

What tropical cyclone has a maximum wind speed of 62 to 88 kph?

A

Tropical Storm

69
Q

________ is a tropical cyclone with more than 220 kph wind speed.

A

Supertyphoon

70
Q

Which kind of tropical cyclone has a wind speed of 118 to 220 kph?

71
Q

What are the phases of activity of volcanoes?

A

Active, Dormant, Extinct Volcanoes

72
Q

These are vibrations caused by moving rocks.

A

Seismic waves

73
Q

What is used to detect seismic waves?

A

Seismograph

74
Q

What are the kinds of surface waves?

A

Love and Rayleigh wave

75
Q

TRUE OR FALSE:

Love wave is faster than the Rayleigh wave.

76
Q

Which surface wave moves the ground up and down, side to side, in the same direction of the wave?

A

Rayleigh wave

77
Q

It is the process of disintegration or decomposition of rocks or minerals.

A

Weathering

78
Q

What are the types of weathering?

A

Physical and Chemical Weathering

79
Q

What are the kinds of physical weathering?

A

Frost wedging, salt cracking, abrasion, plant growth

80
Q

______ is a kind of physical weathering that occurs when rock surfaces grind against each other.

81
Q

Which kind of chemical weathering occurs in rocks when its iron composition reacts with the oxygen in the air?

82
Q

What are the types of soil?

A

Clay, Silt, Sand, and Loam Soil

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