2024 Fall Semester Review

What safety symbol is this? 

• biohazard
• radiation
• toxic
• corrosive

What does this symbol indicate?

• Corrosive substances are present; protect your hands.
• Wash your hands.
• Extreme temperatures are present; wear appropriate gloves.
• Bacteria are present.

What safety symbol is this?

• Flammable 
• Oxidizing Agent
• No Open Flame
• Explosion

What safety Symbol is this?

• Flamable
• Oxidizing Agent
• No Open Flame
• Explosion

• Very Toxic
• Bio hazard
• Recycle
• Electric 

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS2-7

• Poison
• Bio Hazard
• Environmental Hazard
• Not Drinking Water

Tags

NGSS.HS-ESS3-5

NGSS.HS-LS2-7

• Poison/Toxic
• Bio Hazard
• Radioactive
• Corrosive

Tags

NGSS.HS-ETS1-3

1. Which of the following processes involves a change in physical properties?

• rusting

• fermenting

• boiling

• burning

Tags

NGSS.MS-PS1-4

A nail rusting

• Physical Property

• Chemical Property

Tags

NGSS.HS-PS1-2

What are the signs of a chemical change?

• Bubbles

• Gas

• Odor

• All of these

Tags

NGSS.MS-PS1-2