Chemistry Fall Final Study Set

State of matter with particles close together and vibrate in a fixed place

• Solid

• Liquid

• Gas

State of matter that has particles relatively close together and free to move from place to place

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

State of matter with particles far apart and rapidly bouncing off each other and container walls

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What should you do FIRST in the event of an emergency?

• Run to the safety shower / fire extinguisher

• Tell the teacher in the room

• Tell your friend

• Get another teacher

How do you observe odors?

• Stick your nose close to the substance to tell every subtle smell

• Swirl the beaker

• Pour a small amount out

• Waft to your nose

Tags

NGSS.MS-LS1-8

How do you read measurements?

• Only to the closest line

• To the closest line + 1 decimal place estimate further

How do you read liquid volumes?

• Bottom of meniscus

• Middle range of meniscus

• Top of meniscus

When multiplying & dividing, how many sig figs should your answer be in?

• Least number of decimal places as values used

• Least number of sig figs as values used

When adding and subtracting, how many sig figs should your answer be in?

• Least number of decimal places as values used

• Least number of sig figs as values used

Accuracy

• How close values are to the true answer

• How close values are to each other