Physical and Chemical Properties, Changes and Reactions

Which of the following is a sign that a chemical reaction has occurred?

• change in shape

• melting

• formation of a gas

• dissolving

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Which of the following is NOT an example of a physical change?

• crumpled paper

• pencil sharpening

• shrunken clothing

• rust

Freezing Juice?

• Physical Change

• Chemical Change

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

• physical property/change

• chemical property/change

• mass

• volume

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a Chemical Property?

• Allows the substance to remain the same

• Allows the substance to change into another substance and produce something new

Photosynthesis is the process in which plants make sugar(glucose) and oxygen. It is a ---- property.

• Chemical

• Physical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which one of these is a chemical property?

• Melting point

• Boiling point

• Color

• Toxicity

Which of the following is an example of a chemical property?

• Density

• Solubility

• Reactivity with acid

• Melting point

Which of the following is a Chemical Property?

• solubility

• flammability

• viscosity

• melting point