1. How do we define life? How do scientists know if they find it?
Is it alive?
How do we define life? How do scientists know if they find it?

2. Experiment Background
We usually recognize something as being alive or not alive.
When scientists study very small samples or old fossilized materials, the signs of life are not easy to determine.
Scientists must establish criteria to work with
Also see videos posted on website; link:
How life began - video

3. Part A
Work with your group to write down the 8 characteristics (also know as criteria) of life

4. Part B Two parts, 1 and 2 Part 1 – NO water!
Read procedures and make observations
Your observations go in the table
Your sketches need to be as clear as possible and LABELLED!

5. Part B Two parts, 1 and 2 Part 2 – WATER added!
Read procedures and make observations
Your observations go in the table
Your sketches need to be as clear as possible and LABELLED!

6. Questions and conclusion
Make sure to follow instructions and to write complete sentences in logical paragraphs!
Questions and conclusion

7. Rubric
How can I do well?

8. It is everyone’s job to clean up your lab station before leaving
Don’t be the group that makes me do this!