mixtures and solutions

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

Tags

NGSS.5-PS1-4

NGSS.5-PS1-3

Mixtures are combinations of two materials that retain their physical qualities.

• True
• False

Tags

NGSS.5-PS1-4

NGSS.5-PS1-3

NGSS.5-PS1-2

To separate a mixture of salt and water what separation tool/method is used?

• Filter
• Screen
• Magnet
• Evaporation

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter
• Screen
• Magnet
• Evaporation

Tags

NGSS.3-PS2-4

Trail mix, with nuts, raisins, pretzels and candy pieces is a good example of a mixture.

• True
• False

Tags

NGSS.5-PS1-4

Which of the following will NOT dissolve in water?

• salt
• rocks
• apple juice

Tags

NGSS.5-PS1-3

A mixture combines 2 or more materials without changing their properties.

• True
• False

Solutions are formed when one or more substances dissolve in another.

• True
• False

Tags

NGSS.MS-PS1-2

A liquid mixture in which a solid is dissolved evenly throughout a liquid.

• mixture

• solution

• solute

• solvent

A mixture can be created by -

• pouring some water into a glass

• melting a solid to form a liquid

• combining two or more materials

• blowing air through a straw