A large celestial body that revolves around the sun

Differentiation occurred in the creation of our Earth when

Heavier metals sank to the core and lighter materials didn't

Wegener's Theory was not widely accepted at first because

He did not have enough evidence to back his claim

An Earth-like planet outside of our solar system

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Unit 4 Threshold 4: Earth and our Solar System

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Unit 4: Earth and our Solar System

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Questions 28

Answers

1
A small rocky celestial body left over from the formation of our solar system
A Planet
A shooting star
An exoplanet
An Asteroid
2
This is a picture of
Andromeda
Our Solar System
The Milky Way Galaxy
An exoplanet system
3
A mixture of gases surrounding a planet is
Accretion
The orbit
An Atmosphere
The rings surrounding a planet
4
When gases are trapped by the atmosphere and make Earth's climate warmer, we call this
Fake News
Greenhouse Effect
Tropical Climate
Summer Season
5
The inner planets are called __________ , while outer planets are called ______________ .
Asteroids and comets
Exoplanets and gas planets
Rocky planets and Gas Giants
Giant Rocks and Giant Gases
6
When two tectonic plates slide past each other it causes
Magma to come from the earth
A Mountain to form
An earthquake
A mudslide
7
When an object collects matter we call this
Accretion
Accusation
Assumption
Continental Drift
8
The two types of Tectonic Plates that make up Earth's crust are
Countryside and Lakeside
Inner and Outer
Urban and Rural
Continental and Oceanic plates
9
Alfred Wegener proposed the theory of
Ice Age 2: The Meltdown
Volcanoes underneath the Atlantic Ocean
Continental Drift
The Earth creating new crust
10
The first geologic time period is known as the... (HINT: when everything was fire)
The Mesolithic Eon
The Hadean Eon
The Archaen Eon
The Phanerozoic Eon
11
The super continent that formed over 200 million years ago is known as
Earth
Eurasia
Wegener's Continent
Pangea
12
The Earth's core is mostly made up of
Hydrogen and Helium
Silver and Gold
Aluminum and Silicon
Iron and Nickel
13
The red lines on the map are showing
Tectonic Plate boundaries
Where the continents used to be when Pangea existed
Where the continents will move to in the future
A world map
14
Our solar system and earth formed approximately
A few years ago
13.8 billion years ago
Almost 2019 years ago
4.5 billion years ago
15
The study of our earth through rocks is
Archeology
Science
Geology
History
16
This shows the Earth and Mar's ____________ around the sun
Atmosphere
Circle
Movement
Orbit
17
The Mantle is made up of
Hot Lava
Hot liquid-like syrup
Convection currents
Plate Tectonics
18
A planet is
Made of minerals and ice that shoot across the universe
A large celestial body that revolves around the sun
Any celestial body that is in our solar system
An exoplanet in the universe
19
Differentiation occurred in the creation of our Earth when
Hydrogen sank to the core and metals stayed to the surface
Lighter metals sank to the core and heavier materials didn't
Heavier metals sank to the core and lighter materials didn't
Golden metals sank to the core and lighter materials didn't
20
How many continents are there?
1
7
5
9
21
Wegener's Theory was not widely accepted at first because
People had evidence disproving his theory
Other scientists thought he was a unethical in his research
People actually all believed his theory
He did not have enough evidence to back his claim
22
A protoplanetary disk is also called
Our Solar System's formation
The Sun's gravitational pull
A Comet
Proplyd
23
In between the Earth's crust and core is the
Mantle
Lava
the Core
Underground volcanoes
24
The idea that Earth's continents move in relation to each other because of tectonic plates
Wegener's Theory
Continental Drift
Tokyo Drift
S. America looks like it fits inside Africa
25
The outer boundary of an object is
The outside
The core
The surface
The crust
26
The formation of our Earth and Solar System is the
3rd Threshold in Big History
2nd Threshold in Big History
4th Threshold in Big History
1st Threshold in Big History
27
The center of our solar system is
The Asteroid belt
The Earth
The Moon
The Sun
28
An Exoplanet is
An Earth-like planet outside of our solar system
An Earth-like planet inside of our solar system
Planets that are like Mars
A planet made of gases outside of our solar system

Unit 4 Threshold 4: Earth and our Solar System Flashcards | StudBud