Vocabulary
Rapid Changes
Slow Changes
Rocks/ Rock Cycle
Soil and Layers of Earth
100
The remains or traces of an organism that lived at least 10,000 years ago.
What is a FOSSIL?
100
A sudden movement of Earth's crust.
What is an EARTHQUAKE?
100
The movement of rock material from one place to another.
What is EROSION?
100
This rock forms when lava cools and hardens.
What is IGNEOUS ROCK?
100
Is the Earth's crust thicker under the continents or oceans?
Under the continents.
200
Bits of sand, rocks, and the remains of once living things.
What is SEDIMENT?
200
The sudden movement of loose rock and soil down a steep slope.
What is a LANDSLIDE?
200
Name 2 ways that weathering changes Earth's surface.
Larger rocks get broken down into smaller rocks/ sediment. Rock statues get damaged.
200
What cements the layers together in sedimentary rock?
What are MINERALS?
200
Which layers of Earth are made mostly of metal?
The inner and outer core.
300
Molten rock that has reached Earth's surface.
What is LAVA?
300
Earthquakes can cause these two types of landforms to be created.
What are MOUNTAINS AND VALLEYS?
300
A large mass of slow-moving ice.
What is a GLACIER?
300
This type of rock is made from other pieces of rock and sometimes can even hold a fossil.
What is SEDIMENTARY ROCK?
300
Describe the layers found within the mantle.
The alternate solid rock, molten (melted) rock, solid rock.
400
How are rocks and minerals related?
Rocks are made up of one or more minerals.
400
Explain 2 ways that landslides affect Earth's surface.
Destroy property or harm people in their path. Cause erosion and deposition of soil.
400
Name 2 things that are created as a result of deposition.
Exs: river deltas; new sand dunes
400
Rock that is formed under heat and pressure.
What is METAMORPHIC ROCK?
400
Name the five layers of soil in order from top to bottom.
Humus, Topsoil, Subsoil, Parent Material, Bedrock.
500
What do you call a scientist who studies Earth?
What is a GEOLOGIST?
500
Name 2 ways that volcanoes affect Earth's surface.
Igneous rocks form when lava cools and hardens. Richer soil for farming. Plants and animal habitats are destroyed.
500
What are some ways that sediment can be moved?
Wind, moving water, and moving ice.
500
This causes sedimentary and igneous rocks to be changed into metamorphic rocks in the rock cycle.
What is HEAT and PRESSURE?
500
In which soil layer do you find most plant roots?
What is TOPSOIL?