U1, #4 Flashcard: Safety, Equipment & Measurements

Front

What is the definition of volume?

Back

Volume is the amount of space that a substance (solid, liquid, gas) occupies, typically measured in liters (L) or milliliters (mL).

Front

How do you read a graduated cylinder?

Back

To read a graduated cylinder, look at the bottom of the meniscus (the curve of the liquid surface) at eye level to determine the volume.

Front

What is the proper first action if injured in a lab?

Back

Tell your science teacher immediately.

Front

What is an Erlenmeyer flask used for?

Back

An Erlenmeyer flask is used for mixing, heating, and storing liquids, and its shape allows for easy swirling without spilling.

Front

What does 'flammable' mean?

Back

Flammable materials are substances that can easily catch fire and burn.

Front

What safety equipment should be used when handling chemicals?

Back

Safety goggles, gloves, and lab coats should be worn to protect against chemical spills and splashes.

Front

What is the significance of measuring accurately in experiments?

Back

Accurate measurements ensure reliable and reproducible results in scientific experiments.

Front

What is the difference between a beaker and a graduated cylinder?

Back

A beaker is used for mixing and holding liquids, while a graduated cylinder is used for precise measurement of liquid volume.

Front

What should you do if you spill a chemical in the lab?

Back

Notify your teacher immediately and follow the proper cleanup procedures.

Front

What is the purpose of a fume hood?

Back

A fume hood is designed to ventilate hazardous fumes, vapors, and dust away from the user.