Mixing

Some substances ........................... when you mix them with water.

• squash

• dissolve

• heat

Tags

NGSS.MS-PS1-2

Substances that dissolve in water are called ...................

• soluble

• insoluble

• solution

Substances that do not dissolve in water are called ...................

• soluble

• insoluble

• solution

Which one is not dissolving?

• Sugar

• Salt

• Oil

• Kool-aid

Sugar dissolves in water

(True or False)

• True

• False

Pepper dissolves in water

(True or False)

• False

• True

How do you test to see if something is soluble?

• put it in the microwave

• take it outside

• shake it

• put the substance in water

What occurs when a solid substance dissolves in a liquid?

• It sinks to the bottom.

• It floats on top.

• It breaks down and becomes part of the liquid substance.

Tags

NGSS.MS-PS1-2

If substances float or sink in water, they are both:

• soluble

• insoluble

Motor oil makes a layer on top of water when mixed together, this means it is:

• soluble in water

• insoluble in water