Ecosystems
Physical and Chemical
Earths Rotation
100

Is Water a living thing in the ecosystem?

No, It is Non-Living 

100

Is Bread cut in half a chemical or physical change? 

Physical 

100

Is the Earth always orbiting the sun and rotating 24 hours and day?

Yes 

200

What Does Abiotic Mean? 

Non-Living 

200

Bleached Hair. Chemical or Physical?

Chemical 

200

If it was day on one half and the earth stops rotating will it stay day for ever?

No

300

Number Of Certain Type of Species 

Population 

300

Whipped Cream. Chemical or Physical?

Physical 

300

Can we see the earth rotating?

No

400

Decomposers do what?

Break Down Dead Plants and Animals. 

400

Not a New Substance?

Physical

400

It take the earth 365.7 days to to orbit around the sun?

No, It takes 365.5 days. 

500

How many Levels are In the Ecosystem?

6, Individual, Population, Community, Ecosystem, Biome, Biosphere.

500

A change that can't be reversed?

Chemical 

500

The light from the sun shines on half the earth causing day and the other half is night?

Yes