Chemical Reactions

The color left on a scratch plate by a rock is an example of a chemical or physical property?

• Chemical Property

• Physical Property

• Chemical Sign

Bubbles being produced is an example of?

• Chemical Property

• Physical Property

• Chemical Sign

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Flammability is an example of?

• Chemical Property

• Physical Property

• Chemical Sign

Tags

NGSS.MS-PS1-2

Click all of the following that is an example of a chemical sign.

• Color Change

• Corrosion

• Change in Temperature

• Precipitatie

• Dissolving

Tags

NGSS.MS-PS1-2

Change in smell is an example of?

• Chemical Property

• Physical Property

• Chemical Sign

The color of a substance is an example of?

• Chemical Property

• Physical Property

• Chemical Sign

The pH level of a substance is an example of?

• Chemical Property

• Physical Property

• Chemical Sign

Journey scratched a rock of a streak plate and it left a black mark. She then dropped some hydrochloric acid on the rock and it started to bubble and changed to a rotten egg smell. Which are signs that tell you a chemical reaction occurred?

• Scratch left of scratch plate

• Change to Rotten Egg Smell

• Bubbles

Tags

NGSS.MS-PS1-2

Bobby added a yellow powder to a clear, cold liquid. The powder dissolved in the liquid. After a few seconds, the liquid become hot, turned green, and bubbles were forming in the liquid. Click all the properties the substances had BEFORE the reaction.

• Yellow

• Green

• Clear

• Liquid

• Powder

Tags

NGSS.MS-PS1-2

Bobby added a yellow powder to a clear, cold liquid. The powder dissolved in the liquid. After a few seconds, the liquid become hot, turned green, and bubbles were forming in the liquid. Click all the properties the substances had AFTER the reaction.

• Liquid

• Green

• Bubbles

• Yellow

• Turned Hot

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4