How Can we Provide Freshwater to those in need quiz

List Earth's four major spheres

a

b

c

d

Hydrosphere

Geosphere

Atmosphere

Biosphere

Nearly all water on Earth is ​ (a)  

• saltwater
• freshwater

Water on Earth - ​ (a)   saltwater ​ (b)   freshwater

• 97%
• 3%

Most of Earth's freshwater is found in ___________, which is not available for humans to access.

• groundwater

• glaciers

• rivers

• oceans

Match the following

• plants

• biosphere

• soil

• hydroshpere

• clouds

• atmosphere

• lakes

• geosphere

Possible solutions to a problem are limited by materials and resources. We call these limitations _________.

• constraints

• models

• data

• inferences

Representations of objects, systems or events and used as tools for understanding the natural world using familiar objects to represent unfamiliar things. (Example: flashlight/sun, Earth/globe)

• models

• questions

• answers

• toolboxes

Put in order from highest percentage of Earth's freshwater to lowest.

• groundwater

• glaciers

• rivers

• swamps/

  wetlands

• lakes

Match the following

• Solve Problems

• By conducting a _____ test, engineers can determine that one aspect of their design is better becasue all the other variables have been controlled.

• failure points

• Accessing water that is stored underground

• syringe

• Points that may nnegatively impact the results of a test are called

• fair

• We used a ______ to simulate pumpling groundwater to the surface.

• is a problem

• Engineers