What happened during the Proterozoic Eon?

The Earth developed large landmasses

What are Index Fossils?

Tell how Earth's surface changed, Only found during specific times

What are examples of Natural Disasters?

Earthquakes, Tsunamis, Volcanic Eruptions

What is Geological Dating?

It allows scientists to study Earth's history, It allows scientists to see how Earth has changed overtime

What is Radioactive Decay?

When one element naturally changes into another

What is Relative Dating?

Where the age of an entity is chosen

What is Habitat Destruction?

Humans clear forests to build homes and cities, This could lead to extinction

What are Asteroid and Comet Impacts?

They could cause minimal damage, They could cause severe destruction

What is the Geologic Time Scale?

A visual record of Earth's history

What is Superposition?

Younger rocks layers cover older layers

What happened during the Mesozoic Era?

When reptiles and dinosaurs ruled

When was the Cambrian Period and what was it?

542-488 Million Years Ago, Complex life forms

Animal Remains, Preserved Remains

They can start from sparks from falling rocks, They can start by lightning strikes, They can start by volcanic eruptions

What is Negative Human Impact?

It is when humans harm the Earth

What is Habitat Division?

It is when humans divide ecosystems into parts

What is Environmental Change?

The way life responds to changes by nature, Natural disasters

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Earth History & Fossils GREEN

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#science #history #fossils #earth

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Questions 30

Answers

1
What happened during the Proterozoic Eon?
Dinosaurs were becoming extinct
Humans began to evolve
The Earth developed large landmasses
The Earth developed the gravitational field
2
When was the Hadean Eon?
2,976,542,909 years ago
650 million years ago
2.4 billion years ago
640 million years ago
3
What are molds?
Insects from the Mesozoic Era
Organism remains
Giant rocks
Cavities left behind in rock
4
What are Index Fossils?
The oldest fossils on Earth
The newest fossils on Earth
Tell how Earth's surface changed
Only found during specific times
5
What are examples of Natural Disasters?
Earthquakes, Tsunamis, Volcanic Eruptions
Hurricanes, Tornadoes, Pollution
Comets, Meteors, Asteroids
Earthquakes, Tsunamis, Volcanoes
6
What is Geological Dating?
It allows scientists to recreate fossils
It allows scientists to study Earth's history
It is when rocks form
It allows scientists to see how Earth has changed overtime
7
What are Trace Fossils?
A line of rocks
Organisms that lived long ago
Fossils with marks on them
Shows an organism's activity
8
What is the name of this presentation?
Earth History & Fossils
Eerth History & Fossils
Earth Histori & Fossils
Earth History & Fosils
9
What does pollution cause?
Stronger ecosystems
Harm to all organisms
A more healthy environment
Harm to all aliens
10
What is Radioactive Decay?
When one element naturally changes into minerals
When one element naturally changes into another
When one element naturally changes into seismic activity
When one element naturally changes into rocks
11
What is Relative Dating?
Where the age of an entity is chosen
When fossils are discovered by scientists
When fossils are formed
When rocks are formed
12
What is Habitat Destruction?
When ecosystems are made
Humans clear forests to build homes and cities
When comets and asteroids destroy the Earth
This could lead to extinction
13
What are Asteroid and Comet Impacts?
They come from the Sun
They could cause minimal damage
They are activity from the Earth's core
They could cause severe destruction
14
When was the Proterozoic Eon?
2.4-0.6 million years ago
800,000 to 455,000 years ago
3.4 - 2.5 million years ago
2.5-0.5 million years ago
15
When was the Phanerozoic Eon?
324 million years ago
345 million years ago
542 million years ago
550 million years ago
16
What is the Geologic Time Scale?
A visual record of Space's history
A visual record of Earth's core
A visual record of Earth's history
A visual record of the Moon's history
17
What is Superposition?
A strong meating of rocks in a single position
Older rock layers cover younger layers
A position where a rock is isolated
Younger rocks layers cover older layers
18
What happened during the Mesozoic Era?
When reptiles and dinosaurs ruled
When humans were born
When more complex organisms appeared
When mammals ruled
19
When was the Cambrian Period and what was it?
66 Million Years Ago, Diversified giant reptiles
542-488 Million Years Ago, Complex life forms
55-33 Million Years Ago, The oldest known fossils
600 Million Years Ago, The emergence of life
20
When was the Archean Eon?
5 - 2.5 billion years ago
4 - 2.5 billion years ago
2.3 billion years ago
5.5 - 4 billion years ago
21
What is a fossil?
An Old Rock
A Layer Of Earth
Animal Remains
Preserved Remains
22
What are fires?
They can start from sparks from falling rocks
They can start by lightning strikes
They can start from tsunamis
They can start by volcanic eruptions
23
What is Climate Change?
An intergalactic change
It is caused by tsunamis
A global or regional change
It is global warming
24
What was the Cenozoic Era?
It is the age of humans
It is the age of reptiles
It is the age of mammals
It is the age of dinosaurs
25
What are floods?
Water overflowing
Droughts
Caused by volcanoes
Water Overflouing
26
What is Negative Human Impact?
It is when humans harm the Earth
It is when humans make natural disasters
It is when humans help the Earth
It is when humans change the climate
27
What is Habitat Division?
It is caused by meteorites
It is when humans divide ecosystems into parts
It can harm humans
It is when animals divide ecosystems into parts
28
When was the Great Oxygenation Event?
Mesozoic Eon
Proterozoic Eon
Palaeozoic Eon
Cenozoic Eon
29
What is the Great Oxygenation Event?
When the atmosphere got weak
The loss of oxygen
A generation of bad oxygen
Rise of atmospheric oxygen
30
What is Environmental Change?
Climate change
It is when humans move away from changes
The way life responds to changes by nature
Natural disasters

Earth History & Fossils GREEN Flashcards | StudBud