Science Ch 8 Consepts

Question 1

What is air made up Of and what gas is the most in?

Answer 1

Air is made up of about 80% of nitrogen and about 20% of oxygen. there is much more nitrogen and oxygen

Question 2

How many layers are in the atmosphere?

Answer 2

5

Question 3

What happens when you go through the five layers of the atmosphere?

Answer 3

Temperature and air pressure change

Question 4

What happens to the air pressure as you go up through the atmosphere?

Answer 4

Air pressure decreases or goes down as you go up in the atmosphere

Question 5

What are the five layers of the atmosphere?

Answer 5

Troposphere (where most weather happens), stratosphere, mesosphere, thermosphere, and exosphere

Question 6

What gets warmer more quickly land or Water?

Answer 6

Land

Question 7

What cools quicker Land or water?

Answer 7

Land cools quicker than water does

Question 8

What happens when cool air and warm air are next to each other?

Answer 8

When they are next to each other, cool air will sink in force the warm air to rise

Question 9

Where are jet streams?

Answer 9

They are high above the ground (between convention currents)

Question 10

What do jet streams change?

Answer 10

They change temperature, wind, and precipitation results.

Question 11

How do air masses form?

Answer 11

Air that stays over an area for some time takes properties of the area and becomes an air mass

Question 12

What causes air masses to move?

Answer 12

Wind

Question 13

What do cold fronts bring?

Answer 13

They bring cold air

Question 14

What does a cold front cause?

Answer 14

It forces warm air to move up quickly which usually causes heavy precipitation

Question 15

What do warm fronts bring?

Answer 15

Warm air

Question 16

What does warm air do?

Answer 16

Warm air gradually rises above cooler air

Question 17

What are clouds formed by warm fronts do?

Answer 17

They move slower and cause longer periods of precipitation

Question 18

What does a stationary Front do?

Answer 18

A stationary front doesn’t move very much or moves back and forth over the same area.

Question 19

What is Lightning?

Answer 19

-Lightning Is a large electrical spark between two areas of opposite charges.

Question 20

How is thunder made?

Answer 20

Lightning causes the air to warm so quickly that the air expand rapidly making a vibration called thunder.

Question 21

What Makes the tornado begin to stand upright?

Answer 21

Upward winds lifts one end of the spinning column while downward winds pushes down on the other end.

Question 22

How fast can wind move in a tornado?

Answer 22

They can move at hundreds of kilometers per hour

Question 23

How long do tornadoes usually last?

Answer 23

They usually only last a few minutes, but can leave a path many kilometers long and hundreds of meters wide

Question 24

Where is the best place in your house to take shelter?

Answer 24

The basement

Question 25

Where do hurricanes get their energy?

Answer 25

They get their energy from warm ocean water

Question 26

What is more destructive hurricanes or tornadoes?

Answer 26

Hurricanes are more destructive than tornadoes even though the winds are not as fast

Question 27

How long does a Hurricane last and what does it do?

Answer 27

It lasts for many days, hitting several locations as it moves

Question 28

Are hurricanes larger or smaller than tornadoes?

Answer 28

Hurricane or much wider than tornadoes

Question 29

What do hurricanes create?

Answer 29

They create huge waves that cause severe damage and flooding.

Question 30

What is a funnel Cloud and What is it called when it touches the ground?

Answer 30

Spinning column of air, and when it touches the ground it is called a tornado

Question 31

Why was hurricane Sandy as severe as it was?

Answer 31

1 there was a high tide
2 there was a full moon
3 the hurricane was hitting all at the same time

Question 32

What are hurricanes named after?

Answer 32

They have men and women names

Question 33

What happens if a hurricane causes extensive damage?

Answer 33

The name is never used again, or “retired”

for example hurricane Katrina