Soluble and insoluble & Reversible and Irreversible

Sugar can ________ in a liquid

• float

• dissolve

• sink

Tags

NGSS.5-PS1-4

Sugar and salts are insoluble substances

• True

• False

Which substances don't dissolve in the water?

• Salt

• Sand

• Flour

• Coffee Powder

The butter in melting in a hot pan. Say Whether this change is reversible or irreversible

• Reversible

• Irreversible

• Non of them are correct

• All of them are correct!

Tags

NGSS.MS-PS1-4

Alan's mom is baking a cake. Could you tell me whether it is reversible or irreversible, please?

• Irreversible

• Reversible

• Non of them are correct

• All of them are correct!

The salt is dissolving in the water. Say whether it is reversible or irreversible.

• Reversible

• Irreversible

• Non of them are correct

• All of them are correct

How to reverse this change below?

The water is freezing to become ice.

• Heat it

• Cool it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Tell me whether the sand dissolve in the water or it doesn't dissolve in the water.

• Dissolve

• No, it doesn't

• Both of the answers are correct.

How to make the sugar dissolve faster?

• Be patient. Wait for it to dissolve.

• Cool it

• Stir it

I am a pig. Am I soluble?

• Yes, you are soluble.

• No, you are not soluble.