5Th Grade Science Midterm Study

Front 1

What is the force is responsible for the formation of waves?

Back 1

wind

Front 2

Cold, dense water sinks & moves toward the equater, then warms up & rises and moves toward the poles createing what kind of current?

Back 2

deep-water current

Front 3

Wind creates this kind of current...

Back 3

surface current

Front 4

What determines the boundaries of a watershed?

Back 4

The 2 highest points of the divides.

Front 5

What is step 1 in cloud formation?

Back 5

Particles floating in the air become condesation nuclei for water-vapor molecules.

Front 6

What is step 2 in cloud formation?

Back 6

A water vapor molecule condenses onto condensation nuclei.

Front 7

What is step 3 in cloud formation?

Back 7

Water-vapor molecules continue to cling to the condensation nuclei, formaing a tiny raindrop.

Front 8

What is step 4 in cloud formation?

Back 8

Several raindrops cling togehter to make a cloud.

Front 9

What is aeration?

Back 9

Water is mixed with air to get rid of any other gases that might be mixed in.

Front 10

What is coagulation?

Back 10

Alum and other chemicals are added to teh water to form small, sticky particles called floc.

Front 11

What is sedimentation?

Back 11

Particles that are too heavy to float settle to the bottom of the water.

Front 12

What is filtration?

Back 12

Water is poured through layers of materials that trap things that will not settle.

Front 13

What is disinfection?

Back 13

Chlorine is added to remove any herms such as bacteria.

Front 14

What is a Guyot?

Back 14

An undersea mountain whose top has been seared flat.

Front 15

What is a Seamount?

Back 15

An underwater mountain whose top is below the water's surface.

Front 16

What is an Abyssal plain?

Back 16

A deep, flat area formed beyond the continential shelf.

Front 17

What is the Continental Shelf?

Back 17

The shallow part of the ocean found at the edge of the continents.

Front 18

What is an Atoll?

Back 18

A circular rim formed from a volcano emerging from the sea.

Front 19

When do the highest tides occur?

Back 19

When the Earth, moon, and sun are lined up in a straight line.

Front 20

When do the lowest tides occur?

Back 20

When the Earth, moon, and sun are at a 90 degree angle.

Front 21

The amount of water vapor in the air is called what?

Back 21

humidity

Front 22

The temperature at which the air cannot hold any mroe water is called what?

Back 22

dew point

Front 23

What is a measure of how much work an object can do?

Back 23

Energy

Front 24

The day-to-day conditions of an area such as amount of precipitation and temperature is called what?

Back 24

weather

Front 25

The usual condition of precipitation and temperature over a long period of time is called what?

Back 25

climate

Front 26

What is a major cause of wind?

Back 26

The uneven heating of the Earth.

Front 27

What is the motion of a wave?

Back 27

up and down

Front 28

The highest part of the atmosphere is called what?

Back 28

Exosphere

Front 29

The 2nd highest part of the atmosphere is called what?

Back 29

Thermosphere

Front 30

The middle layer of the Earth's atmosphere is called what?

Back 30

Mesosphere

Front 31

The lowest part of the Earth's atmosphere (or the one closest to the ground) is called what?

Back 31

Troposphere

Front 32

The 2nd lowest part of the Earth's atmosphere is called what?

Back 32

Stratosphere

Front 33

The top of a wave is called what?

Back 33

crest

Front 34

The bottom of a wave is called what?

Back 34

trough

Front 35

The distance from a wave's trough to it's crest is called what?

Back 35

wave height

Front 36

The distance from one wave's crest to another wave's crest is called what?

Back 36

wavelength

Front 37

A moving mass of warm air that overtakes a slow-moving or stationary mass of cold air is called what?

Back 37

Warm front

Front 38

A moving mass of cold air that overtakes a slow-moving or stationary mass of warm is called what?

Back 38

Cold front