final Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

The totality of known objects and phenomena throughout space ,the cosmos ,macrocosm

A

universe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

al large system of stars held together

A

galaxies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A cloud of gas and dust in outerspace

A

nebula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A fixed luminous point in the sky that is a large remote incandescent body

A

star

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A natural satellite that orbits a star

A

planet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

gravitational pathway around an object

A

orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

chunk of frozen gas that orbits the sun

A

comet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

chunk of rock located in space

A

asteroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The gaseous envelope surrounding planets

A

atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

planets outside of our solar system

A

exoplanets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The most outer rocky layer of earth

A

crust

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The layer beneath the crust that contains plastic malleable magma

A

mantle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The center of earths interior which has solid iron and has very high temperatures

A

inner core

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The layer above the inner core that has liquid iron

A

outer core

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

invisible field surrounding earth that’s created by the flow of liquid iron inside the outer court protects earth from solar winds

A

magnetic field

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

transfer of heat by the mass movement of heated particles into an area of cooler fluid

A

convection currents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

unit of measurementequal to the distance of earth to the sun (1AV=150,000,000) km

A

astronomical unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The distance light travels in one year

A

light year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

entire range of wavelengths or frequencies of EM radiation

A

electromagnetic spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

disturbance that transfers energy from place to place

A

wave

21
Q

The bouncing back of an object or wave

A

reflection

22
Q

the bending of waves as they enter a new medium at an angle

A

refraction

23
Q

a reflected sound wave

A

echo

24
Q

A push or pull exerted on an object

A

force

25
Q

The tendency of an object is to resist any change in motion

A

inertia

26
Q

The force that one object exerts on another when the two surfaces rub against each other

A

friction

27
Q

a measurement of the amount of matter an object has

A

mass

28
Q

equal forces acting on an object in opposite directions

A

balanced force

29
Q

forces that produce a nonzero net force which changes an objects motion

A

unbalanced force

30
Q

The amount of space that matter occupies

A

volume

31
Q

A negatively charged particle that is found outside the nucleus of an atom

A

electron

32
Q

positively charged particle that is part of an atoms nucleus

A

protons

33
Q

Basic particle from which all elements are made

A

atoms

34
Q

neutral particle of 2 or more atoms joined by covalent bonds

A

molecule

35
Q

H2O important thing for a living thing

A

water

36
Q

an object in rest will remain in rest and an object in motion will remain in motion unless an external unbalanced force acts on the object

A

newtons 1st law

37
Q

The force that pulls objects toward each other

A

gravity

38
Q

force=mass*acceleration

A

newtons 2nd law

39
Q

every action has an equal and opposite reaction

A

newtons 3rd law

40
Q

Scientific theory describing the origin of all space made by an explosion of energy from a singular point

A

big bang theory

41
Q

Italian mathematician and astronomer and that constructed a telescope and discovered the moons of Jupiter

A

galileo galilei

42
Q

Polish astronomer who developed the theory that the sun is the center of the solar system

A

nicholas copernicus

43
Q

German physicist who formulated the special theory of relativity and the general theory of relativity

A

albert enistein

44
Q

famous scientist that studied black holes

A

stephen hawkins

45
Q

transfer of heat by movement of material within the mantle

A

mantle convection

46
Q

A theory that the earth is made of very large sections that moves very slowly and form earths surface

A

plate tectonics

47
Q

crack in the Earth’s crust resulting from the displacement of one side with respect to the other

A

fault

48
Q

various gases compounds such as CO2 that absorb infrared radiation,trap heat in the atmosphere and contribute to the greenhouse effect

A

greenhouse gases