Engineering Clean Water

Why are rivers important to the people of Bangladesh? Choose the best answer.

• Rivers collect rainfall

• Rivers provide most of the country's water

• Rivers are great for swimming

• Rivers are dirty

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

What is the main reason for water contamination in Bangladesh?

• people just don't care

• pipes are too long and it gets dirty

• sewage water seeps in through cracks in pipes

What is an engineer?

• Someone who fixes computers

• Someone who works on cars

• Someone who puts roofs on buildings

• Someone who used his/her knowledge of Science and Math to design objects or systems to solve problems

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

Harmful substances that dirty the environment

• Water Purification

• Pollution

• Engineer

• Evaporation

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What was the main cause of sickness within the people drinking this water?

• Poison

• Insects

• Dangerous germs

• Chlorine

Name 3 things that engineers had to do to find a solution to the contamination problem.

• Go to school

• Research how people use water

• Test the water from various sources

• Talking to people about their lives

• Talking to people about where they get their water

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

What is the Design Cycle?

• evaporate, condensate, precipitate, runoff

• Make, Test, Make again

• Learn, Lead, Serve

• Learn, Plan, Make, Test

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Iterate means to:

• clean things

• do something many times

• read about it

• practice first

Tags

NGSS.MS-ETS1-4

Read pages 11-14. What are some solutions that engineers added to their designs? Choose 2.

• Adding chlorine tablets

• Make the water taste bad

• Restricting the water flow to be more consistent

• Making the hand pumps get surface water

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Why is important to work as a team to find solutions to real world problems? Choose 2 answers.

• so somebody else can do what we don't want to do

• it is important to share our knowledge and skills

• having more ideas to find solutions

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4