Unit 1: Lesson 3 Tools and Lab Safety

What tool should scientists wear to protect their eyes when conducting an experiment?

• Eye glasses

• Safety goggles

• Sunglasses

• Nothing

Answer explanation

You must protect your eyes with safety goggles when you are working in the lab. If you get a substance in your eyes, you will need to rinse them with water!

What kind of shoes should you wear when you are working in the lab?

• Flip-flops

• Slippers

• Tennis Shoes

• No shoes

Answer explanation

You should always wear close-toed shoes. That means your toes should always be covered! This protects your feet from spilled substances or broken glass.

When you are working with substances in the lab, you should taste or smell them.

• True

• False

Answer explanation

Never taste or smell any substance in the lab. Just use your hand to fan over the substance to catch a whiff.

Gloves and aprons are an important part of lab safety because they help protect your hands and your clothing.

• True

• False

Answer explanation

Gloves and an apron may be worn when working in the lab. They are important because they protect your skin from burns and your clothes from substances that may be spilled.

What handheld tool should you use to magnify an object?

Answer explanation

A hand lens is a handheld tool that you can use to magnify an object.