1. Lab Equipment drawings – QUIZ FRIDAY Objectives
8th Science Wednesday 8-5
Lab Equipment drawings – QUIZ FRIDAY
Objectives
Review lab equipment
Rubber Band Construction Cranes - What did we learn ?
Know safety rules for any lab / field activity.
Know how to make accurate measurements.

2. Notes:
I. Lab Safety Hazards
Broken glass
Special disposal (special trash cans)
Electrical safety (be sure hands are dry before plugging in anything).
Never eat during a lab or touch lab equipment to your mouth
Follow instructions exactly
Fire extinguisher and first aid kit locations.

3. II. Making measurements
Step 1: Look at the numbers
Step 2: What is each line counting by?
Step 3: Estimate between the lines

8. Warm Up: 8-7-15 Metric System
1) Do you think the metric system is easy or hard for you? Why
2) List a few of the units (g, mL, cm, - write the words)
3) Where do you think the metric system is used?
4) YES / NO – Do you know how to do metric conversions?
(example: change 2 meters into centimeters)
5) Do the lab equipment quiz here (12 things)

9. Please find the graduated cylinder / thermometer
worksheets from yesterday.
Questions before we grade it?
Each answer is +1 (label = ½ correct answer = ½ )
Do not count extra credit wrong.

10. The Paper Puzzle Name: ____________
State the problem:
Research – what is your plan for the paper?
Experiment – make the cuts carefully.
Results – does it look like mine?
Conclusion – what will you do different with the next one?