MIXTURES

A combination of rocks and water is an example of

• A mixture
• A solution 
• Dissovling

Salt dissolves in water like ----

• Pepper dissolves in water
• Sugar dissolves in water
• Rocks dissolve in water
• Seeds dissolve in water

Tags

NGSS.5-PS1-3

A student collects seashells at the beach.  Ms. Deering will not allow the student to take any sand on the bus.  If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?

• hot plate
• water 
• sieve
• magnet

47 grams of salt is dissolved in 700 mL of water.  How much salt will remain after the water is evaporated?

• 653 grams
• 47 grams
• none
• 37 grams

Tags

NGSS.MS-PS1-5

Students are conducting an experiment with salt water.  A large quantity of sand is added to the container of salt water.  What do you expect to observe?

• The salt floats to the top of the container.
• The sand dissolves.
• The sand settles to the bottom of the container.
• The salt and sand combine to form a solid.

What change happens when water mixes with sugar?

• The appearance of the sugar changes 
• the shape of the water changes 
• the taste of sugar changes
• the state of water changes 

A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.

•  subtances
• parts
• leaves
• pebbles

Sand and clay is an example of a mixture of solids.

• True
• False

The air around was is  a mixture of gases.

• True
• False

Tags

NGSS.5-ESS2-1

Is  blood a mixture?

• No
• Yes