When police use ‘observation skills’ to solve crimes, what are they usually looking for during their investigation?

Lab Safety: MOST IMPORTANT

Follow teacher instructions! General safety precautionsChemical safety

Let’s get started!!Use your ‘observation skills’ to

look for evidence that a chemical reaction may have occurred.

Listen for instructions:Clean gogglesCAREFULLY carry used chemicals

to the disposal center, pay attention to the SIGNS.

Straighten materials on the desk

Review your observations.Use the evidence you observed to

create rules that other students might use to prove a chemical reaction took place. Use pg 40 in 8th grade book to help come up with rules.

2 things you learned or 2 things that became more clear for you about chemical reactions.

1 thing you still are not sure of, do not understand OR would like to know more about.