STUDY GUIDE QUIZ #1
Introdution to Physical Science- Lexi Metnick
Safety Lab:
- Keep your goggles over your eyes at all times
- Nurse Ext: 2828
- Fire extinguisher, fire blanket, eyewash/shower
- Do not taste, touch, or directly smell chemicals
- Never touch glass when it was on the alcohol burner
- Never leave flame when it is lit
- Always clean up when done
The Reaction in a Bag Lab
1. Observe and record appearance of solid A and B in data table
2. Waft red liquid and record odor in data table
3. Lay opened plastic bag flat on table
4. Put 1 spoonful of solid A into the corner of the bag
5. Put ½ spoonful of solid B into other corner of the bag
6. Keeping bag flat pour 5ml of red liquid into bag
7. Seal bag tight and mix substances
8. Observe and touch bag (where the mixture is)
Heating Baking Soda
PART ONE:
1. Put baking soda into a dry test tube (about 0.5 cm)
2. Fill bottle of water all the way to the top
3. Put your hand over the mouth of the bottle, put in container and put rubber band around container and bottle
4. Have teacher check the set up
5. Watch and record data (three blue dot questions)
6. Remove tubing the cap flame
PART TWO:
1. 0.5 cm baking soda into another test tube
2. Pour tea into both test tubes about ¼ filled
3. Gently stir (don’t forget to clean stirring rod in between stirring test tubes)
4. Compare color of tubes
5. Clean up
Volume Notes
Unit of Measurement: CM3
Standard unit of length: meters
Volume of liquids: Use graduated cylinder to measure volume
Box Questions
4. Rectangular B is wider then A
5. The volume is 7
7. the second cube
8. because of the shape of the cone
9a. 1.2; 3.8
9b. 1.65; 2.51; 4.50
9c. Because it is more accurate
10. it goes by 0.1 and 0.2
11. a= 40 cm3 b= 1.3 cm3
12.
12 cm: 11.5-12.4
12.0cm: 11.95-12.04
12.00cm: 11.995-12.004
13. lines get further apart because less surface so you need more depth/height and it is easier to read