GRADE 9 SCIENCE Unit 1: Atoms, Elements and Compounds.

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Presentation transcript:

GRADE 9 SCIENCE Unit 1: Atoms, Elements and Compounds

In your Notebooks: Unit 1: Atoms, Elements, and Compounds

Unit Opener: Page 2-3 The “Stadium Corral” Ripples are electrons Act like “waves” Very important discovery Equations predict the high and low points of the waves Same equations / theory predicted lasers and micro circuitry used in advanced computers today!

Unit Opener: Page 2-3

Finding Out Activity: Combining Chemicals (P. 5)

Activity Summary: What did you observe? How might you explain your observations? Safety Considerations? Important skills?

Chapter Opener (P. 6-7)

Lab Safety

Safety MUST be our top priority! Need to know the rules BEFORE the lab and use them IN the lab! If not something like this could happen to one of you.this

Lab Safety Activity 1-1A (Page 9) Create a sub heading and record your ideas in your note book

Appendix A: Lab Safety Rules We will be quizzed on these rules You will have to pass a quiz on these rules to complete our next lab activity Read the rules and complete the practice quiz that follows the rules.

WHMIS Stands for Workplace Hazardous Materials Information System It is very important to know these symbols, especially if you are working around dangerous products. Video

WHMIS

WHMIS is useful because you can very quickly see what type of hazard a chemical substance presents. WHMIS

MSDS MSDS stands for material safety data sheet An MSDS gives us much more information! This helps people working with chemicals to remain safe on the job.

MSDS MSDS stands for material safety data sheet An MSDS gives us much more information! This helps people working with chemicals to remain safe on the job.

MSDS Each chemical substance has an MSDS. This tells you important things like: Possible health effects of the chemical What to wear when handling it First aid procedures in case of emergency How to store and dispose of it properly What to do if it catches fire

WHMIS vs MSDS WHMIS only tells us HOW a controlled product is harmful. MSDS tells you specific information about the controlled product.

MSDS Activity In Groups of 2: Answer the questions provided relating to your MSDS sheet: Homework: p. 15 #1 – 3, 6. (Use pages to answer. We did not discuss all of these safety considerations!!)

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