Lab Safety

Front

Corrosive Adjective

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[kuh-roh-siv]

Back

Corrosive

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A chemical substance that has the ability to cause damage or destruction to other materials, including living tissue, upon contact.

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Example: This safety sign shows the universal symbol for a corrosive material, indicating a substance that can damage or destroy skin, eyes, and other materials.

Front

Flammable Adjective

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[flam-uh-buhl]

Back

Flammable

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A substance that is easily ignited and capable of burning rapidly when exposed to an open flame or heat source.

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Example: This warning label shows the universal symbol for flammable materials, indicating a substance that can easily ignite and burn rapidly.

Front

Toxic Adjective

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[tok-sik]

Back

Toxic

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A substance that is poisonous and can cause significant harm or death if it is touched, inhaled, or ingested.

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Example: This sign uses the skull and crossbones symbol, a universal warning for a toxic substance that can cause severe illness or death if ingested, inhaled, or touched.

Front

Wafting Verb

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[wahf-ting]

Back

Wafting

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The safe technique for smelling a chemical by gently waving its vapors toward the nose instead of inhaling them directly.

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Example: This image shows the incorrect and dangerous way to smell a chemical by inhaling directly from the container, which is the opposite of wafting.

Front

Contamination Noun

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[kun-tam-uh-ney-shuhn]

Back

Contamination

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The process of making a substance impure or unclean by introducing a foreign or unwanted material into it.

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Example: This image shows a glass of water with different types of potential contaminants, such as chemicals and microorganisms, illustrating how a substance can become impure.

Front

Diluting Verb

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[dahy-loo-ting]

Back

Diluting

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The process of reducing the concentration of a solute in a solution, typically by adding more solvent like water.

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Example: Adding more solvent to a solution increases its total volume but decreases its concentration by spreading the solute particles farther apart.

Front

Biological Hazard Noun

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[bahy-uh-loj-i-kuhl haz-erd]

Back

Biological Hazard

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An organism or biological material, such as bacteria or fungi, that poses a potential threat to human health.

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Example: This is the universal warning sign for a biological hazard, indicating the presence of biological substances that pose a threat to the health of living organisms.

Front

Safety Goggles Noun

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[seyf-tee gog-uhlz]

Back

Safety Goggles

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Protective eyewear that encloses the area around the eyes to prevent injury from particles, chemicals, or other hazards.

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Example: This image shows a person wearing safety goggles, which are essential equipment used in a science lab to protect the eyes from potential hazards.

Front

Laboratory Apron Noun

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[lab-ruh-tawr-ee ey-pruhn]

Back

Laboratory Apron

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A protective garment worn over clothing to shield the body from chemical spills, splashes, and other laboratory hazards.

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Example: A laboratory apron is a piece of personal protective equipment (PPE) worn over clothing to protect the body and clothes from chemical spills.

Front

Fumes Noun

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[fyoomz]

Back

Fumes

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Gas, smoke, or vapor that is often strong-smelling and can be harmful or irritating to the respiratory system.

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Example: A car releases exhaust fumes from its tailpipe, which is an example of harmful gases or vapors released into the air.