The History of Planet Earth 4th Grade Earth Science

Question 1

When two plates converge and one moves under the other, this plate is:

Accepted Answer

Subducting

Question 2

Geologists study sedimentary rocks to learn about:

Accepted Answer

environments

Question 3

What forms from sediments building up in layers over many, many years?

Accepted Answer

sedimentary rock

Question 4

What forms where two oceanic plates separate?

Accepted Answer

mid-ocean ridge

Question 5

Which layer of the earth has magma?

Accepted Answer

mantle

Question 6

A ___ can be found where continental plates diverge.

Accepted Answer

rift valley

Question 7

Which of the following is true about earthquakes?

Accepted Answer

They tend to occur near plate boundaries.

Question 8

The ring of fire contains many:

Accepted Answer

volcanoes

Question 9

What is the movement of plates that make up earth's crust?

Accepted Answer

plate tectonics

Question 10

The most important characteristic of a sediment is:

Accepted Answer

It sinks to the bottom of water.

Question 11

When tectonic plates move apart, it is called a:

Accepted Answer

Divergent boundary

Question 12

The layer just underneath the crust is the:

Accepted Answer

mantle

Question 13

Which layer of earth has many sedimentary rocks?

Accepted Answer

crust

Question 14

Tectonic plates:

Accepted Answer

Float on the mantle, Move

Question 15

____ seeps up through cracks in tectonic plates, often at plate boundaries.

Accepted Answer

magma

Question 16

Which plates pull apart?

Accepted Answer

divergent

Question 17

Oceanic crust is _____ than continental crust.

Accepted Answer

heavier

Question 18

Fossils are:

Accepted Answer

Able to help determine how old rocks are

Question 19

Very old remains of plants or animals are called:

Accepted Answer

fossils

Question 20

Mountain ranges are usually found where:

Accepted Answer

Continental crust converges

Question 21

The Law of Superposition:

Accepted Answer

Helps geologists determine the relative age of rock layers.

Question 22

Convergent Plates:

Accepted Answer

Push together

Questions 22