Physical and Chemical Changes Class 9 CBSE

Is milk going sour a physical or chemical change?

• Physical

• Chemical

Is freezing juice a physical or chemical change?

• Physical Change
• Chemical Change

Why is this a physical change?

• The shape of the clay has been changed.
• The clay can be put back into a ball shape instead of a birthday cake.
• The clays has not changed chemically.
• All are true

Tags

NGSS.5-PS1-4

In which of these do particles move slowest?

• matter
• gas
• liquid
• solid

Tags

NGSS.MS-PS1-4

An example of a physical property would be?

• Rust on a nail
• Salt dissolved in water.
• Wood burning
• An egg frying

Which is NOT a physical change?

• Cutting a pizza into equal slices.
• Ice cubes melting back into liquid. water
• Baking cupcakes.
• A chocolate bar melting.

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.

Tags

NGSS.MS-PS1-4

Which of the following would be considered a physical change?

• Cutting paper

• pH test

• Burning marshmellow

• Roasting a Turkey

Which of the following is a Physical Property 

• Toxicity
• Flammability
• Malleability
• Reactivity

Is a firefly lighting up a physical or chemical change?

• Physical
• Chemical