Chapter 1 - Exploring the United States

Question 1

A half of Earth.

Answer 1

hemisphere

Question 2

An imaginary line that divides Earth into the Northern Hemisphere and the Southern Hemisphere.

Answer 2

equator

Question 3

An imaginary line that is often used to divide Earth into the Western Hemisphere and the Eastern Hemisphere.

Answer 3

prime meridian

Question 4

One of the seven largest land areas on Earth.

Answer 4

continent

Question 5

Where a place is in relation to one or more other places on Earth.

Answer 5

relative location

Question 6

A line that shows the end of a place.

Answer 6

border

Question 7

A part of an ocean or sea extending into the land.

Answer 7

gulf

Question 8

The exact position of a place on Earth, using lines of latitude and longitude.

Answer 8

absolute location

Question 9

A set of lines that run east and west drawn on maps and globes. They are measured in degrees north and south from the equator.

Answer 9

lines of latitude

Question 10

A set of lines that runs north and south, from the North Pole to the South Pole, drawn on maps and globes. They are measured in degrees east and west from the prime meridian.

Answer 10

lines of longitude

Question 11

One of the shapes that makes up Earth’s surface, such as mountains, hills, valleys, or plains.

Answer 11

landform

Question 12

The level of the surface of the ocean.

Answer 12

sea level

Question 13

An area of high, flat land.

Answer 13

plateau

Question 14

The place where a river begins.

Answer 14

source

Question 15

A river or stream that flows into a larger river.

Answer 15

tributary

Question 16

The place where a river empties into a larger body of water.

Answer 16

mouth

Question 17

Low, bowl-shaped land with higher ground all around it.

Answer 17

basin

Question 18

A deep, narrow valley with steep sides.

Answer 18

canyon

Question 19

The height of the land above sea level.

Answer 19

elevation

Question 20

The differences in the heights of land shown in maps.

Answer 20

relief

Question 21

The measurement of hot and cold.

Answer 21

temperature

Question 22

Water that falls to Earth’s surface as rain, sleet, hail, or snow.

Answer 22

precipitation

Question 23

The kind of weather a place has most often, year after year.

Answer 23

climate

Question 24

The amount of moisture in the air.

Answer 24

humidity

Question 25

A graph that uses a line to show changes over time.

Answer 25

line graph

Question 26

Something found in nature, such as water, soil, or minerals, that people can use to meet their needs.

Answer 26

natural resource

Question 27

Something that can be made again by nature or people.

Answer 27

renewable

Question 28

Water that sinks beneath Earth’s surface when it rains or snows.

Answer 28

groundwater

Question 29

All the businesses that make one kind of product or provide one kind of service.

Answer 29

industry

Question 30

A natural substance found in rocks.

Answer 30

mineral

Question 31

Something that cannot be made again by nature or by people.

Answer 31

nonrenewable

Question 32

Surroundings in which people, plants, and animals live.

Answer 32

environment

Question 33

The protection and wise use of natural resources.

Answer 33

conservation