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Science Flashcards

1
Q

What must matter have?

A

Mass and Volume

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2
Q

What is Mass?

A

Substance - Amt of matter contained in an object

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3
Q

What is Volume?

A

Amount of space an object takes

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4
Q

What is Density?

A

Measure of how light or heavy something is for its size.

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5
Q

What is the formula for Density?

A

Mass/Volume

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6
Q

The tighter the molecules the…..

A

Denser the matter

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7
Q

What are substances which can’t be broken down into something simpler

A

Element

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8
Q

What is a compound?

A

When elements combine together

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9
Q

What are atoms?

A

Tiny particles that make up all matter

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10
Q

What are the parts of an atom?

A

Protons, Neturons and Electrons

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11
Q

What is the center of an atom called?

A

Nucleus

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12
Q

What is in the nucleus of an atom

A

Protons and Neutrons

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13
Q

What moves around the nucleus in the atom?

A

Electrons

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14
Q

Which part of an atom is positive

A

Protons

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15
Q

Which part of an atom is negative?

A

Electrons

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16
Q

Which part of an atom neutral

A

Neutrons

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17
Q

True/False - the # of neutrons equals the # of electrons?

A

True

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18
Q

What is temperature?

A

It is a measure of the speed with which atoms and molecules move (kinetics energy)

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19
Q

Heat is a measurement of…..

A

Of the total energy

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20
Q

What type of force requires direct contact?

A

Contact Force

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21
Q

What force does not require contact?

A

At-a-distance force

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22
Q

What is light?

A

It is energy with low weight and low density.

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23
Q

Optics is a branch of what science?

A

Physics studies lights.

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24
Q

Different types of energy

A 
Chemical
Electrical
Magnetic
Mechanical
Nuclear
Radiant/light
Solar
Sound
Thermal
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25
Q

What is chemical energy?

A

Energy stored in things like food, fossil fuels, and explosives

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26
Q

What is nuclear energy?

A

Energy stored in the nucleus of an atom

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27
Q

What is electrical energy

A

Made by the flow of a electrical charge through a conductor

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28
Q

What are the 3 layers of the earth

A

Core
Mantle
Crust

29
Q

What is the inner core

A

Solid
High pressure
Does not rotate

30
Q

What is the outer core made of

A

Melted

Rotate

31
Q

What is convection currents?

A

Heat from the core develops and rises to the earths crust which causes the plates to move

32
Q

How do volcanoes form

A

When magma rises and breaks through the earths crust called lava

33
Q

3 types of rocks

A

Igneous
Sedimentary
Metamorphic

34
Q

What is runoff

A

Rainfalls so fast the soil cant absorb it

35
Q

What is percolation

A

Downward movement of water through the soil in the ground

36
Q

What is leaching

A

Process in which materials in soil are transferred into the water

37
Q

3 ways heat transfers through the earth system

A

Radiation
Conduction
Convection

38
Q

8 planets

A 
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
39
Q

Celestial bodies

A 
Pluto
Comets
Asteroids
Meteors
Stars
Moons
40
Q

What are the 6 criteria to be considered living

A 
made up of cells
obtain & use energy
grow and develop
reproduce
respond to stimuli in environment
adapt to environment
41
Q

What are the 8 levels of taxonomy

A 
(king philip came over for good soup)
Kingdom
Phylum
Class
Order
Family
Genus
Species
42
Q

All cells contain

A

Cell membranes
cytoplasm
organelles
Dna

43
Q

What are cell membranes

A

surround cell

44
Q

What are cytoplams

A

inside the cell

45
Q

What are organelles

A

carries out life process

46
Q

What is DNA

A

Contains gentic information

47
Q

Name the Scientific Process

A 
question
observation
hypothesize
predict
test
conclude
48
Q

Does a Prokaryotic cell have a necleus

A

No nucleus

49
Q

Does a Eukaryotic cell have a necleus

A

Contains a nucleus

50
Q

Are molecules matter?

51
Q

Name 3 At-a-distance forces

A

gravitational
electrical
nuclear force

52
Q

How is sound wave’s produced

53
Q

Name 2 types of crust

A

Oceanic and continental

54
Q

What causes plate tectonics

A

convection currents

55
Q

What is sedimentary rock

A

formed by the ccumulation of rocks that fuse together to make a new rock

56
Q

What is igneous rocks

A

formed from the cooling of magma

57
Q

what is metamorphic rock

A

rock transformed through change in environment like burial (slate, gneiss and marble)

58
Q

Is water a renewable resource

59
Q

What is a stratus cloud

A

horizontal and layered clouds, blanket like

60
Q

What is a cumulus cloud

A

puffy cotton balls

61
Q

what is a cirrus cloud

A

wispy and feathery

62
Q

What is a nimbus cloud

A

produces precipitation

63
Q

Who is the 1st American to orbit earth

A

John glenn

64
Q

Who is the 1st American to walk on the moon

A

Neil Armstrong

65
Q

Who is the 1st american to be launched into space

A

Alan Shepard

66
Q

what is a theory

A

well validated and well supported explanation of some aspect

67
Q

what is a Hypothesis

A

tentative and testable insight

68
Q

what is a law

A

truthful explanation

State Exam (5 decks)

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