1. during the rock cycle, what forms when magma cools?

2.because igneous rocks are extremely hard, they cannot be changed into sedimentary or metamorphic rocks.
a. true
b. false

3. it is possible for sedimentary rock to be changed into __

4. what has to increase for metamorphism to occur?

5. when a rock undergoes heat and pressure, the minerals inside it may line up to form layers.
a. true
b. false

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?