Earth Science Quiz

What is the primary focus of the plate tectonics unit in seventh grade earth science?

• Exploring the animal kingdom

• Studying the solar system

• Learning about Earth's interior structure and plate movement

• Understanding the water cycle

What is the asthenosphere, as demonstrated using cornstarch and water?

• A gaseous layer of Earth's atmosphere

• A liquid layer of Earth's core

• A solid layer of Earth's crust

• A flowing solid part of Earth's mantle

Why is cornstarch considered a non-Newtonian liquid?

• It evaporates quickly

• Its grains are suspended, not dissolved, allowing it to lock up under pressure

• It dissolves completely in water

• It flows at a constant rate

What role does convection play in the movement of Earth's plates?

• It cools the Earth's surface

• It transfers heat through the movement of currents within a fluid

• It causes earthquakes

• It creates new landforms

In the convection demonstration, what happens to the food coloring when placed above the heat source?

• It evaporates

• It rises to the top as the water warms

• It sinks to the bottom

• It changes color