Exam-Basic Information Flashcards

1
Q

Photosynthesis is responsible for the addition of what to our atmosphere

A

Oxygen

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

An educated prediction based on observation is called

A

Hypothesis

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

Volcanic eruptions contributed to

A

Oceans forming and atmosphere forming

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

Scientist determine the age of the earth by dating

A

Meteorites

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

The most dense layer is the

A

Inner core

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

The age of the earth was found by dating the oldest rock on earth true or false

A

False

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

It is believed that all the planets formed around the same time true or false

A

True

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

Friction forces cause the planets orbit around the sun true or false

A

False

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

The original atmosphere was almost composed entirely of oxygen true or false

A

False

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

Density differences of Earth materials account for the earths layered internal structure true or false

A

True

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

Cyanobacteria was the first producers of oxygen true or false

A

True

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

Earths ocean begin to form 2 million years ago after the earth formed true or false

A

False

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

The basic building blocks of life amino acids arrived on earth within meteorites true or false

A

True

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

The earth heats up because

A

Radioactive decay friction and meteor impact

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

Gas and dust cloud that formed into the solar system

A

Nebula

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

Solid center of earth

A

Inner core

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

What material was used in space to show accretion

A

Salt

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

These elements helped to heat up the earth

A

Radioactive

19
Q

Mostly solid layer surrounding the outer core

20
Q

Study of the worlds oceans

A

Oceanography

21
Q

Percentage of the nebula that formed the planets and remaining matter

22
Q

Brought water from space to earth

A

Meteorites

23
Q

Science that include study of rocks and plate tectonics

24
Q

Percentage of nebula matter that became the sun

25
Primitive organism that gave earth oxygen
Cyanobacteria
26
This was the swirling______________That were present before the planets formed
Eddies
27
4.6 billion years old
Earth forms
28
Thin outer layer of earth
Crust
29
Liquid layers surrounding the inner core
Outer core
30
Clipping of particles that resulted in the planet forming
Accretion
31
Percentage of volcanic gases that is water vapor
Fifty
32
Includes the crust and outer mantle
Lithosphere
33
Study of space
Astrology
34
Study of atmosphere
Meteorology
35
Process plants use to produce oxygen
Photosynthesis
36
Water vapor escaped from these forming massive clouds
Volcanos
37
What was turned in meter right that is evidence for life
Amino acids
38
Cause of shrinking nebula
Gravity
39
Unit for mass
Grams
40
Density of water
One
41
Amount of matter in an object
Mass
42
_________ cylinder is used to determine the liquid volume
Graduated
43
unit abbreviation for a solid volumne
cm squared
44
Four branches that make up earth and space science
Geology Oceanography Meteorology Astrology