5th - Science - Unit 7 Lesson 3

Question 0

The energy for the water cycle comes from where?

Answer 0

The sun

Question 1

The constant movement of water as a liquid and a gas between Earth’s air and its surface is ?

Answer 1

Water cycle

Question 2

Solar energy causes water on Earth’s surface to change to gas and rise into the atmosphere during the process called?

Answer 2

Evaporation

Question 3

As gaseous water rises and cools, it turns into droplets of liquid water during the process called?

Answer 3

Condensation

Question 4

Water droplets may fall from the atmosphere back to Earth’s surface as ________, such as rain and snow.

Answer 4

Precipitation

Question 5

Some water soaks into the ground and collects in pores in soil and rock to become _________.

Answer 5

Groundwater

Question 6

Plants take water from the soil and return it to the air through their leaves during what process?

Answer 6

Transpiration

Question 7

The constant exchange of carbon on the Earth is _______________.

Answer 7

Carbon Cycle

Question 8

During photosynthesis, plants take __________ from the air and use it to make food that other living things use.

Answer 8

Carbon

Question 9

Animals and plants burn carbon-rich foods during cellular _________________, and then release carbon dioxide to the atmosphere.

Answer 9

Respiration

Question 10

The exchange of oxygen and carbon dioxide among different living things during respiration and photosynthesis is called what?

Answer 10

Oxygen-carbon dioxide cycle

Question 11

Although most of Earth’s atmosphere is nitrogen, the gas must first be __________ so that it is in a form that most living things can use.

Answer 11

Fixed

Question 12

Nitrogen can be fixed by

   1. Volcanic action
   2. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_, and
   3. Nitrogen-fixing \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 12

Lightning and nitrogen-fixing bacteria

Question 13

Plants use nitrogen to make ___________, which get into the bodies of animals when they eat plants and plant-eating animals.

Answer 13

Proteins

Question 14

Nitrogen returns to the soil in the ____________ of animals, and when plants and animals decay.

Answer 14

Waste

Question 15

People can reduce their use of natural resources through ____________.

Answer 15

Recycling

Question 16

What are some of the places where water vapor evaporates from?

Answer 16

Lakes, rivers, oceans, ponds, puddles, cups, plants, trees, etc.

Question 17

The sun heats the water, which makes it change into a vapor, or gas. What is this gas called?

Answer 17

Water vapor

Question 18

When the water vapor changes from a gas to a liquid, it is called?

Answer 18

Condensation

Question 19

What is water vapor water attracted to?

Answer 19

Cold places

Question 20

When water vapor collects, it is known as a ?

Answer 20

Cloud

Question 21

What are the four different types of precipitation?

Answer 21

Rain, snow, sleet and hail

Question 22

What is precipitation?

Answer 22

Any form of water that falls from the atmosphere and reaches the ground.

Question 23

What is surface run off?

Answer 23

Precipitation that moves across the land’s surface and IS NOT absorbed will flow into rivers, lakes Nd streams as runoff.

Question 24

What are the original sources of water where the precipitation will go?

Answer 24

Lakes, rivers, ponds, oceans, etc.