Question

bill nye
ocks\ video quiz

1. what is the main component that all rocks were formed from?

a. water
b. sand
c. molten rock
d. ice

1. what type of rock is formed from cooled lava?

a. sedimentary
b. metamorphic
c. igneous
d. gravel

1. what process breaks down rocks into sand?

a. erosion
b. compression
c. solidification
d. freezing

1. how are sedimentary rocks typically formed?

a. from heat and pressure
b. from molten rock cooling
c. from layers of sediment being compressed
d. from volcanic eruptions

1. which type of rock is created under extreme pressure and temperature?

a. igneous
b. sedimentary
c. metamorphic
d. fossil

Explanation:

For question 1: All rocks originate from molten rock (magma).
For question 2: Igneous rocks form from cooled lava.
For question 3: Erosion breaks rocks into sand.
For question 4: Sedimentary rocks form from compressed sediment layers.
For question 5: Metamorphic rocks form under extreme pressure and temperature.

Answer:

1. C. Molten rock
2. C. Igneous
3. A. Erosion
4. C. From layers of sediment being compressed
5. C. Metamorphic