Question

What is the mantle made of?
Group of answer choices

solid rock

semi-solid rock

liquid iron and nickel

solid iron and nickel

Flag question: Question 2
Question 21 pts
What does Earth’s magnetic field protect it from?
Group of answer choices

occasional aurora borealis

constant solar wind

constant solar gravity

occasional aurora australis

Flag question: Question 3
Question 31 pts
What causes the aurora borealis and the aurora australis? Select ALL that apply.
Group of answer choices

high-energy particles from the Sun

Earth’s magnetic field

Earth’s liquid mantle

heat energy from the Sun

Flag question: Question 4
Question 41 pts
Which term describes the movement of matter that occurs when warmer matter rises and cooler matter sinks?
Group of answer choices

magnetic fields

convection currents

the Coriolis effect

rotation

Flag question: Question 5
Question 51 pts
Which layers of the Earth experience convection currents? Select ALL that apply.
Group of answer choices

the crust

the mantle

the inner core

the outer core

Answer 1

1) semi-solid rock

2) constant solar wind

3) high-energy particles from the Sun; Earth’s magnetic field

4) convection currents

5) the mantle; the outer core