water cycle

What is it called when plants give off water vapor as a waste product through their leaves?

• condensation

• evaporation

• sublimation

• transpiration

The ________ is the driving force of the earth's surface.

• sun
• moon 
• stars

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

More evaporation occurs 

• at night 
• during the day 

Tags

NGSS.MS-ESS2-4

Precipitation occurs because 

• the droplets evaporate in the air
• the droplets are too light for the air to hold
• the droplets are too heavy for the air to hold

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

How much of our planet is estimated to be covered with water?

• 68%
• 50%
• 97%
• 75%

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

How much of our planet's water is saltwater?

• 75%
• 1%
• 99%
• 97%

In the morning, you observe that water droplets have formed on grass. Which process occurred when the water droplets formed on the grass?

• condensation

• deposition

• evaporation

• sublimation

Tags

NGSS.MS-ESS2-4

Dylan is doing a science experiment on the stomata of plants. Dylan has a tomato plant. He uses wax to cover all the stomata on the leaves of the plant. After five days, Dylan observes that the plant is wilting. What is the best explanation for Dylan's observation?

• The plant released too much water into the air.

• The plant was unable to carry out transpiration.

• Condensation could not occur on the leaves of the plant.

• The plant was unable to take in water through its leaves.

Tags

NGSS.MS-LS2-4

Taylor grows plants in a container called a terrarium. She keeps the terrarium on a sunny windowsill.

The terrarium is closed, so Taylor cannot add water to the plants. However, the plants have enough water to grow. Which of these statements best explains why the plants always have enough water?

• The air cannot hold all of the water vapor.

• Water is unable to evaporate from the soil.

• Energy from the sun cycles water through the soil, the plants, and the air.

• The plants take up water and store it in their stems and leaves.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which of these changes of state would involve water absorbing energy?

• condensation

• deposition

• evaporation

• freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4