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Science 4-8 > Science Inquiry & Processes > Flashcards

Science Inquiry & Processes Flashcards

1
Q

Geiger counter

A

Used to detect radiation

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2
Q

Barometer

A

Used to measure air pressure in the atmosphere

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3
Q

Graduated Cylinder

A

Used to measure volume

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4
Q

Ohmeter

A

Used to measure resistance of electrical circuits

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5
Q

Nanometer

A

Billionth of a meter

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6
Q

Micrometer

A

Millionth of a meter

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7
Q

Milli

A

Thousandth

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8
Q

Centi

A

Hundredth

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9
Q

Deci

A

Tenth

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10
Q

Base

A

The base unit

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11
Q

Deka

A

Ten

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12
Q

Hecto

A

Hundred

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13
Q

Kilo

A

Thousand

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14
Q

Mega

A

Million

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15
Q

Giga

A

Billion

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16
Q

The first light bulb was developed in the

A

Late 19th century

*but many concepts about electricity were known before 1800s.

17
Q

Major concepts of molecular biology were developed in the

A

20th century

18
Q

The earliest concepts about atoms were developed where? And when?

A

India and Greece more than 2500 years ago

19
Q

Nuclear reactor does not produce carbon dioxide.

True or false

A

True

20
Q

Exosphere

A

Is the outermost layer of the atmosphere

21
Q

Thermosphere is

A

The heat layer of the atmosphere

*but you will be very cold because it’s not enough gas molecules to transfer the heat to you.

22
Q

Mesosphere is

A

The middle highest layer of the atmosphere in which the gases are mixed.

23
Q

Stratosphere is above the ozone layer

A

Natural gases filters out the suns UV radiation

24
Q

Troposphere is known as the

A

Bad layer, has air pollution that is harmful to breath in

*It’s the closest to the earth’s surface

25
Q

Water pollution

A

Contaminated water due to human activity

Ex: global warming, deforestation, industry livestock farming, fecal water dumping

26
Q

Acid rain

A

Due to human activity

Ex: burning fossil fuels, manufacturing, oil refineries, cars releasing sulfur and nitrogen.

*Volcanic eruptions can cause acid rain naturally

27
Q

Plate tectonics

A

Movement of plates produce earthquakes ,volcano, mountain ranges, ocean trenches

28
Q

Gas pressure

A

Force of gas colliding with the walls of Its container

29
Q

Divergent plate boundary

A

Plates rip apart

30
Q

Convergent plate boundary

A

One plate dives beneath the other one

31
Q

Transform plate boundary

A

Plates slides pass one another

Science 4-8 (5 decks)

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