Water Filtration

What is the problem you needed to solve for this project?

• We needed to build a boat that can float.

• We needed to build a farm to feed hungry people.

• We needed to build a water filtration system that can clean water.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What must a water filtration system be able to do?

• It must make water dirty.

• It must make dirty water turn into clean water.

• It must let dirt pass through pebbles.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Which materials were we allowed to use for this project? There is more than one correct answer.

• fabric and a plastic bottle

• fine sand and charcoal powder

• pebbles and gravel

• marbles and gravel

• wooden sticks and foil

How much dirty water did we use to test our filters?

• 250ml

• 350 ml

• 400 ml

• 450ml

In which ways did we compare and contrast how filters were built in class? Choose all answers that are correct.

• how much of each material

• number of layers

• order of layer

• the kind of material chosen

• how pretty they looked

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

In which ways did we compare and contrast the results of filters after we tested them? Choose the correct answers.

• the time each filter started to drip first

• how long it took to drip

• the color of the water

• the taste of the water

• the texture of the water (what things were floating in it)

Tags

NGSS.MS-ETS1-3

Why was this project important?

• Everyone needs food to eat.

• Everyone needs clean, fresh water to live.

• Everyone needs money.

• Everyone has a family.

Tags

NGSS.MS-ESS3-4