Earths Crust
What is the hard, outer layer of Earth that we live on called?
What is the Earth's crust?
What do scientists do when they want to find out the answer to a question?
what is They investigate or conduct an experiment.
What is a fossil?
What is evidence of a past living thing preserved in rock or sediment?
What is the loose material on Earth's surface where many plants grow called?
what is soil
What is a natural resource?
what is Something that comes from nature and can be used by people.
Earth's crust is divided into two main types. Name one.
What are continental crust or oceanic crust?
What is a prediction about what you think will happen called?
What is a hypothesis or prediction?
Would a fossil of a dinosaur tell us about the present or the past?
Name one thing you might find in healthy soil.
Minerals, water, air, organic matter, or living organisms.
Is sunlight a renewable or non-renewable resource?
What is renewable?
Is the oceanic crust generally thinner or thicker than the continental crust?
What is thinner?
You want to find out which type of soil helps a plant grow best. What could you change in your investigation?
what is The type of soil.
Name one force that can slowly change Earth's surface.
What are weathering, erosion, or water/wind/ice?
Why is soil important to humans?
What is It helps plants grow, provides food, and supports ecosystems.
Is coal a renewable or non-renewable resource?
What is non-renewable?
What is one major difference between continental crust and oceanic crust?
Continental crust is generally thicker and less dense, while oceanic crust is generally thinner and denser.
Why is it important to record your observations during a science investigation?
what is So you can keep track of what happened and use the evidence to draw conclusions.
What is it called when rocks are broken down into smaller pieces by things such as water, wind, ice, or temperature changes?
what is weathering
Name two natural resources that come from Earth.
Examples include water, soil, rocks, minerals, forests, and fossil fuels.
What does conservation mean?
What is protecting and using natural resources carefully so they are not wasted or damaged?
Scientists study rocks, landforms, and other evidence to learn about Earth's crust. What is this an example of?
What is scientific inquiry?
A scientist discovers that a fossil contains clues about what an area was like millions of years ago. What can fossils help scientists learn about?
What is They can help scientists learn about plants, animals, environments, and life from the past.
What is the difference between weathering and erosion?
Weathering breaks rocks down, while erosion moves the pieces from one place to another.
A farmer notices that wind and rain are carrying soil away from a field. What process is happening?
What is erosion?
Your community wants to reduce the amount of natural resources it uses. Give two actions people could take.
what is reduce waste, reuse materials, recycle, conserve water, save energy, protect forests, or use resources responsibly.