Reversible or irreversible

How would the material be different after it change?

• Liquid into solid

• Solid into liquid

• Solid into gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Butter is melting. Is it Reversible or Irreversible?

• Reversible

• Irreversible

Tags

NGSS.MS-PS1-2

If something the same as the image is heated up, the changes included ....

• Reversible

• Irreversible

• Solid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The material can be changed back to the way it was before the change happened. We called this...

• Evaporation

• Melting

• Reversible

• Irreversible

Which are irreversible changes?

• Ice cube is melting

• Salt dissolves in the water

• Iron is rusty

• Chocolate is freezing

Tags

NGSS.MS-PS1-4

What changes have happened to camphor?

• Solid into liquid

• Solid into gas

• Liquid into solid

• Gas into slid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following are examples of a reversible change?

• freezing of water

• melting of ice

• rusting

• evaporation of water

• condensation of water

What are the manifestations that a chemical change has happened?

• bubbles are formed

• change in colour

• change in odour

• change in temperature

Mixtures can be made of.......

• a solid and a gas

• a solid and a liquid

• a liquid and a gas

What should you use to separate the mixture rice and flour?

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