earth's resources

If you put rocks and water into a cup and then shake it 500 times, what would most likely happen?

• nothing you just wasted your time.

• The rock broke apart because it was old.

• The rock broke because of the act of shaking it with water caused it to.

• nothing you need to add hot water to break it.

Using the same water in a bottle experiment from question 1. In order to break the rock even more what do you need to do?

• Add hot water.

• Add cold water.

• Next time shake it for a shorter time.

• Keep shaking it for a longer period of time.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In the water filter experiment, what was the best tool to take out small particles?

• Metal screen with small holes.

• Cotton balls.,

• sand.

• gravel.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

What does conserving mean?

• To use the resource.

• To save the resource.

True or false, conserving water would be running the water as you brush your teeth!

• True

• False

Tags

NGSS.MS-ESS3-3

True or False, conserving electricity is when you unplug or don't use lights as much at home.

• True

• False

Tags

NGSS.MS-ESS3-3

What type of pollution does a car make?

• Water pollution.

• Trash pollution

• Air pollution

Why would repeating an experiment make it more accurate?

• It won't.

• It will because the results will change every time.

• It will because if you repeat the experiment and get the same results you are proving it to be accurate!

Mark all the resources,

• water

• wind

• sun

• a brick

Would moving the coffee filter to the bottom of your water filtration system make the water more clear?

• Yes, because the filter will make the color of the water go away.

• its the first one.