Chapter 2: Planet Earth

Question 1

Solar energy

Answer 1

Energy from the sun

Question 2

Rotation

Answer 2

One complete spin of earth on its axis

Question 3

Revolution

Answer 3

Trip around the sun

Question 4

Latidude

Answer 4

The distance north or south of the earths equator

Question 5

Tropics

Answer 5

Regions close to the equator

Question 6

Fresh water

Answer 6

Water without salt

Question 7

Glaciers

Answer 7

Large areas of slow moving ice

Question 8

Surface water

Answer 8

Water that is found in Earths streams, rivers, and lakes

Question 9

Precipitation

Answer 9

Water that falls to Earths surface as rain, snow, sleet, hail

Question 10

Groundwater

Answer 10

Water found below the Earths surface

Question 11

Water vapor

Answer 11

Invisible gas

Question 12

Water cycle

Answer 12

The movement of water from earths surface to the atmosphere and back

Question 13

Landforms

Answer 13

Shapes on the planets surface

Question 14

Continents

Answer 14

Large landmass

Question 15

Plate tectonics

Answer 15

The theory is that Earths surface is divided into a dozen or slow moving plates, or pieces of crust

Question 16

Lava

Answer 16

Magma that reaches earths surface

Question 17

Earthsquakes

Answer 17

Sudden, violent movements of earths crust

Question 18

Weathering

Answer 18

The process by which rock is broken down into smaller pieces

Question 19

Erosion

Answer 19

The movement of sediment from one location to another

Question 20

Monsoons

Answer 20

Seasonal winds that bring either dry or moist air

Question 21

Savannas

Answer 21

Areas of tall grasses and scattered trees and shrubs

Question 22

Steppes

Answer 22

Semi-dry grasslands to prairies