Assignments

Week 6

25 - 27 Review of Unit 1 Review Parts A and B

28 Sept Lab - Phases of the Moon

29 Sept Test Unit 1

Week 5

18 - 20 Sept Review of Unit 1 Test

Assignments Astronomy Early History - Astronomy Earth and Moon

21 - 22 Sept Continued Review

Assignments Unit 1 Review Parts A and B

Week 4

Lab 13 Sept Astronomic Measurements\

15 Sept Chapter 2 Quiz

Week 3

Chapter 2 Review Due 15 Sept

Astronomic Measurement Due 13 Sept

8 Sept Chapter 1 Quiz

Week 2

Chapter 1 Review Due 6 Sept

Astronomy Origins

Students that were absent on 25 August are to do the following assignment.

Friday 25 August

Answer these questions for one of the following scenarios;

Who is at fault?

What rules were broken? Number of Lab Safety Contract Rule list.

What could have been done to prevent the situation?

Scenario 1

•A beaker containing about 100 mL1 M HCl(aq) (hydrochloric acid) is knocked off the lab bench onto the floor.

•The acid splashes onto the leg and foot of a student wearing flip flops.

•The beaker is also broken. There is not a shower in the laboratory.

Scenario 2

•While heating a test tube that contains a boiling liquid, the contents of the test tube explode out of the test tube into the face of a student walking by the lab table.

•Injured student has on an apron and chemical splash goggles.

•The teacher had given specific safety warnings about how to heat the test tube by moving it gently through the flame and the appropriate PPE for the lab.

•There is an eyewash in the laboratory.

Scenario 3

•A student leans over the flame of a burner. He/she has on a long sleeve shirt which catches on fire. Describe appropriate actions:

• Shower in the laboratory.

• No shower, only a fire blanket and water on lab stations.

• No shower, water, or fire blanket in the laboratory; however, fire extinguisher outside the laboratory door.

Scenario 4

•A student goes into the chemical prep room to find a thermometer. He/she finds one that contains mercury. As the student is walking back to the lab table, he/she accidentally hits the thermometer bulb on the corner of the lab table. The mercury falls to the floor, breaking into hundreds of little balls.

•Students are fascinated with the liquid. They begin pushing the beads back together and then separating them again and again.

Scenario 5

•A student starts to shake, feel faint; his/her skin feels cold and clammy. His/her vision is also blurred. The student is a known diabetic.

•There is no record of the student having such a reaction prior to this attack.

Scenario 6

•In a biology classroom there is a cage that contains a gerbil.

•One student starts poking at the gerbil with a pencil.

•Another student tries to get the student to stop antagonizing the animal.

•The student finally opens the cage and reaches in to get the gerbil.

•The gerbil bites the student on the hand. Students have been given rules regarding the handling and proper care of animals.

Scenario 7

•Students are working in the laboratory when alcohol vapors ignite.

•A student attempting to smother the blaze knocks over the bottle of alcohol. The flames race across the laboratory table, down the side where the alcohol is dripping onto the floor.

• What if there is a fire extinguisher nearby at the exit door of the laboratory?

• What if there is no fire blanket and a fire extinguisher is available?

• What if there is no fire blanket available and no fire extinguisher available?