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This lesson focuses on explaining and demonstrating safety standards for conducting safe laboratory and field investigations, identifying and using safety equipment, and emphasizing the importance of safety in science. Students will practice using resources responsibly and engage in small group discussions about lab safety procedures.
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Lesson Objectives: • Explain and demonstrate standards for conducting safe laboratory and field investigations. • Identify safety equipment and its use. • Explain how to use safety equipment. • Explain why safety is important in science. • Practice appropriate use and conservation of resources, including disposal, reuse, or recycling of materials.
Essential Question: What tools and safety standards do scientists use in scientific investigations?
Language Objectives: Communicate lab safety procedures with small learning groups using content and academic vocabulary acquired through the use of pre-reading supports such as graphic organizers and visuals.
Standards (TEKS): • 6.1A: demonstrate safe practices during laboratory and field investigations as outlined in the Texas Safety Standards. • 6.1B: practice appropriate use and conservation of resources, including disposal, reuse, or recycling of materials. • 6.4B use preventative safety equipment, including chemical splash goggles, aprons, and gloves, and be prepared to use • emergency safety equipment, including an eye/face wash, a fire blanket, and a fire extinguisher.
Read all instructions • Listen carefully to directions • Ask questions when you do not understand
KNOW WHERE TO LOCATE THE FOLLOWING: • EYEWASH STATION • FIRE BLANKET • TWO EXITS • FIRE EXTINGUISHER SAFETY GOGGLES AND APRONS
Johnny was a Chemist; Johnny is no more. What he thought was H2O Was H2SO4
If instructed to do so by the teacher you may hold the chemical away from you and waft the fumes towards you
This symbol appears to warn you that chemical can react with and destroy tissue and other materials.
Avoid organisms or other biological hazards such as bacteria, fungi, teeth, blood, tissues, etc. that might be harmful to humans.
What's Wrong? Lab Safety Challenge #1 T. Trimpe 2008 http://sciencespot.net/
What’s wrong? Identify 6 different safety concerns shown in the picture below. Image: http://morrisonlabs.com/lab_safety.htm
The answers are … Don’t fool around during a lab. Always point test tubes and other items away from yourself and others when heating. Don’t eat or drink while in the lab. Always wear safety goggles when doing an experiment Don’t leave a flame unattended. Keep hair and other flammable objects away from flames. Image: http://morrisonlabs.com/lab_safety.htm
What's Wrong? Lab Safety Challenge #2 T. Trimpe 2008 http://sciencespot.net/
What’s wrong? Identify 9 different safety concerns shown in the picture below. Image: http://morrisonlabs.com/lab_safety.htm
The answers are … Always wear safety goggles during a lab. Don’t smell directly from a container - WAFT. Don’t heat closed containers. Keep your lab area neat and clean. Don’t place lab materials near the edge of the table. Keep papers and other flammable objects away from flames. Unplug equipment when not in use. Don’t leave materials laying on the floor. Clean up spills immediately Image: http://morrisonlabs.com/lab_safety.htm
Science Scramble Science Safety T. Trimpe 2008 http://sciencespot.net/
Can you unscramble all the phrases below?Hint: They are all related to safety. 1. R A W E O L G E G S G 2. F W T A, not F W F H I 3. S H A W O R U Y N H A S D 4. L O F L W O I E C R D I T O N S 5. O D T N’ O L F O R U O N A D
The answers are ... 1. R A W E O L G E G S G 2. F W T A, not F W F H I 3. S H A W N H A S D 4. L O F L W O I E C R D I T O N S 5. O D T N’ O L F O R U O N A D WEAR GOGGLES WAFT, not WHIFF WASH YOUR HANDS FOLLOW DIRECTIONS DON’T FOOL AROUND