Introduction to Matter, Chemical Safety, and Lab Precautions

1. Define matter.

Something that has color and shape.

Everything that is liquid.

Anything that has mass and occupies space.

Things that can float.

Matter refers to anything that has mass and occupies space, not just things with color and shape, or things that are liquid or can float.

Explanation

Matter refers to anything that has mass and occupies space, not just things with color and shape, or things that are liquid or can float.

2. What are the lab safety rules?

It is not necessary to report accidents and spills to your teacher.

Tasting the substances is acceptable in some cases.

Breaking glassware is not a big deal as long as it's cleaned up afterwards.

3. What are some general safety precautions in the lab?

It is safe to perform lab activities at home without adult supervision.

Eating and drinking in the lab area is acceptable as long as it is done discreetly.

You do not need to follow specific clothing requirements or wear safety equipment in the lab.

It is important to follow strict safety precautions in the lab to prevent accidents and injuries. Eating and drinking in the lab can lead to contamination, performing lab activities at home without supervision can be dangerous, and not wearing appropriate clothing or safety equipment can put you at risk of exposure to harmful substances.

Explanation

It is important to follow strict safety precautions in the lab to prevent accidents and injuries. Eating and drinking in the lab can lead to contamination, performing lab activities at home without supervision can be dangerous, and not wearing appropriate clothing or safety equipment can put you at risk of exposure to harmful substances.

4. What does WHMIS stand for?

Worksite Hazardous Materials Information System

Workplace Health Management System

Workplace Hazardous Materials Information System

Workplace Hazardous Materials Inspection Standard

WHMIS is a system designed to ensure the safety of workers by providing information about hazardous materials in the workplace.

Explanation

WHMIS is a system designed to ensure the safety of workers by providing information about hazardous materials in the workplace.

5. Illustrate the safety hazard symbols for:

Attention, precaution, threat

Stop, beware, danger

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Dangerous, alert, risk

The safety hazard symbols for caution, warning, and hazard are commonly used in various industries to alert individuals of potential risks and dangers in the surroundings.

Explanation

The safety hazard symbols for caution, warning, and hazard are commonly used in various industries to alert individuals of potential risks and dangers in the surroundings.