This piece of lab equipment is called a _________.

• beaker
• test tube
• graduated cylinder
• thermometer

This piece of lab equipment is called a _______________.

• beaker
• spring scale
• graduated cylinder
• thermometer

If glass accidentally breaks during your lab, you should 

• immediately tell the teacher and let the teacher clean it up
• tell a student to clean it up for you
• leave the pieces on the floor and sneak away
• carefully clean it up using a dust pan and a broom

Before beginning a lab, you should always

• clear off your table to ensure a clean workspace
• ask the teacher about any questions you have
• read all directions
• all of the above

You are heating a substance in a test tube. Always point the open end of the tube 

• away from all people
• toward another classmate
• toward your lab partner
• toward yourself

Chipped or cracked glassware is okay to use.

• True
• False

When should you wash your hands?

• After using chemicals or fingerprinting
• After sneezing or using tissues
• After using the bathroom
• All of these!

Something that takes up space and has mass.

• volume
• matter
• mass
• density

Tags

NGSS.MS-PS1-5

Iron + oxygen = rust is an example of a ___________.

• physical property/change
• chemical property/change
• mass
• volume

What are compounds?

• Substances made of one or more types of elements.
• Substances made of one or more types of neutrons.
• Substances made of one or more types of nuclei.
• Substances made of one or more type of electron.