Chemistry Intro

Which of the following is something you should NOT do in a lab?

• read the label of chemical bottles before using it

• pour unused chemicals back into their original bottles

• use lots of water to wash skin that has been splashed with chemicals

• take only as much as you need of shared chemicals

Solids have a...

• Definite volume, indefinite shape

• Indefinite volume, indefinite shape

• Definite volume, definite shape

• Indefinite volume, definite shape

Particles in an atom that are neutral and have no charge are

• molecules

• electrons

• neutrons

• protons

• I do not know

What is a chemical change?

• A change that alters the form or appearance of matter but does not turn any substance into a different substance

• A change in matter that produces one or more new substances

• A change that involves destroying atoms that are in the substances

• I do not know

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The simplest form of matter is called a(n)...

• element

• ion

• compound

• electron

• I do not know

Which tool would be used to measure the mass of an object?

• electronic balance
• beaker
• meter stick
• iPad

When working in the lab it is the expectation that...

• you work with only members of your group with a business like attitude
• you ask questions when in doubt about procedures
• you clean up after yourself 
• all of the above

What does "evidence" refer to?

• Scientific data that supports your claim
• An opinion about your claim
• A statement you believe to be true
• An experiment related to your claim

What is the Atomic Number?

• 7
• 6.941
• 3
• 6

Tags

NGSS.MS-PS1-1

1 meter is 1000 mm

• true

• false