Watery World Unit Test

Question 1

a measurement of the surface of something

Answer 1

area

Question 2

recorded measurements or observations

Answer 2

data

Question 3

an educated guess about a number

Answer 3

estimate

Question 4

an image that helps you understand information

Answer 4

graph

Question 5

all the water (solid, liquid, gas) on and around planet Earth

Answer 5

hydrosphere

Question 6

a large area of frozen water found on the surface of the Earth

Answer 6

ice cap

Question 7

how much space something takes up

Answer 7

volume

Question 8

when one substance mixes with another and it looks like it
disappears, such as when sugar mixes into tea

Answer 8

dissolve

Question 9

the process of a liquid changing to a gas

Answer 9

evaporation

Question 10

information that can be used to support or reject an idea

Answer 10

evidence

Question 11

to describe something using numbers that can be compared

Answer 11

measure

Question 12

a combination of two or more things

Answer 12

mixture

Question 13

a pretend version of something that scientists use when the real thing
is too big, small, or complicated to work with

Answer 13

model

Question 14

to pay close attention to something

Answer 14

observe

Question 15

something you can observe about an object or material

Answer 15

property

Question 16

a special kind of mixture where you cannot tell the different parts from
each other

Answer 16

solution

Question 17

a natural underground source of fresh water

Answer 17

aquifer

Question 18

the fresh water beneath Earth’s surface

Answer 18

groundwater

Question 19

all the water (solid, liquid, gas) on and around planet Earth

Answer 19

hydrosphere

Question 20

the air that surrounds a planet

Answer 20

atmosphere

Question 21

the process of a gas changing to a liquid

Answer 21

condensation

Question 22

the process of a liquid changing to a gas

Answer 22

evaporation

Question 23

water falling from clouds in the sky; including rain, snow, and hail

Answer 23

precipitation

Question 24

water when it is a gas, such as steam

Answer 24

water vapor

Question 25

the movement of water between the ocean, air, and land

Answer 25

water cycle

Question 26

something that limits what you can do

Answer 26

constraint

Question 27

a person who uses science to come up with solutions to problems

Answer 27

engineer

Question 28

an overflow of water

Answer 28

flood

Question 29

a type of windstorm that starts as a smaller storm over the ocean

Answer 29

hurricane

Question 30

a barrier built to prevent an overflow of water from a river

Answer 30

levee

Question 31

the harmful impacts on humans that happen AFTER a natural hazard

Answer 31

natural disaster

Question 32

an event in nature that can be dangerous to living things

Answer 32

natural hazard

Question 33

a barrier built to prevent an overflow of water from a large body of
water, like the ocean

Answer 33

seawall

Question 34

when water levels rise quickly because of a storm

Answer 34

storm surge

Question 35

a habitat where the land is covered by shallow water, such as a
swamp

Answer 35

wetland

Question 36

A drought that affected central United States in the aftermath of many dust storms.

Answer 36

The Dust Bowl

Question 37

a deficiency of precipitation over an extended period of time

Answer 37

drought

Question 38

the amount of money you have to spend on something

Answer 38

Budget