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Earth Science Fundamentals

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Questions and Answers

What is the definition of density?

The measure of how fast an object moves in a given direction

The measure of how tightly atoms/particles are packed together in a single space (correct)

The measure of the amount of matter in an object

The measure of the force acting on an object due to gravity

What causes convection currents?

Cold air rising and pushing down hot air

The rotation of the Earth

Hot air rising and pushing down cold air (correct)

The movement of tectonic plates

Where do divergent boundaries occur?

Where new crust is generated as the plates pull away from each other

Where tectonic plates slide horizontally past one another in opposite directions

Where tectonic plates are moving toward each other

Where tectonic plates are moving apart from each other (correct)

What happens at convergent boundaries?

Crust is destroyed as one plate dives under another Signup and view all the answers

What is the Mid Oceanic Ridge?

The longest mountain range on Earth Signup and view all the answers

What is the composition of oceanic crust?

Basalt Signup and view all the answers

Which part of the Earth is solid, cold, and brittle?

Lithosphere Signup and view all the answers

What causes hot air to rise and cold air to sink?

Convection currents Signup and view all the answers

What is the primary heat source for Earth's interior?

Radioactive decay in the core Signup and view all the answers

What type of rock makes up the continental crust?

Granite Signup and view all the answers