Why is a balloon with air in it heavier than a balloon without air?

• it's larger
• it has matter in it
• it takes up more space
• none of the above

Tags

NGSS.5-PS1-2

Which property did Zoe use to identify these two metals?

• solubility
• color
• density
• magnetism

Tags

NGSS.MS-PS1-2

____________ is the property that tells us how well something dissolves.

• Liquidness
• Density
• Dissolvability
• Solubility

Tags

NGSS.MS-PS1-2

What property of plastic makes it a good choice for the pot handle?

• it is conductive
• it is not conductive
• solubility
• density

Tags

NGSS.MS-PS3-3

Color is what type of property?

• Physical

• Chemical

Reactivity is what type of property?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

What is a sign of a physical change?

• Bubbles forming

• Color changing

• Stretching

• Producing heat

Tags

NGSS.MS-PS1-2

What is a sign of a chemical change?

• Stretching

• Tearing

• Compressing

• Bubbles

Tags

NGSS.MS-PS1-2

Which of the following changes is a physical change of matter?

• water evaporating

• paper burning

• a nail rusting

• a silver spoon tarnishing

Tags

NGSS.MS-PS1-4

Which of these observations would likely be an indication of a chemical change?

• A change in odor when two substances are mixed

• A change in temperature when a hot substance is left standing in air

• A change in volume as a substance is heated

• The disappearance of a liquid as it boils

Tags

NGSS.MS-PS1-2