Exploring Lab Equipment in Physical Science

What is the primary purpose of a beaker in a lab?

• To measure substances accurately

• To heat substances directly on a flame

• To hold substances

• To stir substances

Why should you not use a test tube directly on a hot plate?

• It will not heat evenly

• It will melt

• It will spill

• It will break

When are latex gloves typically used in physical science labs?

• When measuring substances

• When working with chemicals that may be harmful to the skin

• When handling hot equipment

• When stirring substances

What is the main function of a pipette in the lab?

• To heat liquids

• To measure large amounts of liquids

• To hold liquids

• To transfer small amounts of liquids

Why are safety goggles important in the lab?

• To see better

• To protect your eyes and face from chemicals, heat, and open flames

• To measure substances accurately

• To stir substances

What is the purpose of a graduated cylinder?

• To hold substances

• To measure the volume of liquids accurately

• To stir substances

• To heat substances

What is a unique feature of an Erlenmeyer flask compared to a beaker?

• It has a narrow neck that can be sealed with a rubber stopper

• It is made of plastic

• It can hold substances

• It has a flat bottom

How does a Bunsen burner differ from a hot plate?

• It uses electricity

• It produces an open flame

• It is used to hold substances

• It is used to measure substances

Tags

NGSS.MS-PS3-3

What is the purpose of a mortar and pestle in the lab?

• To stir substances

• To crush substances into a powder or smaller granules

• To heat substances

• To measure substances

Why is a glass stir rod preferred over a plastic spoon in the lab?

• It is cheaper

• It does not melt at high temperatures and cannot be mistaken for eating utensils

• It is easier to clean

• It is more flexible