A tablespoon of a substance is added to warm water and stirred.The result was that the substance could no longer be seen.

We can conclude From the results that the substance -
a) is less dense that water
b) heated the water
c) flavored the water
d) dissolved in water


Which phyiscal property of salt would stay the same in a mixture of salt particles and water?
a) color
b) shape
c) size
d) taste


The process of a liquid turning into a gas when heat is added.
a) condensation
b) melting
c) evaporation
d) freezing


You have the following solids in a lab;salt,sand, lemonade powder and pepper.Which solids will dissolve in water to create a solution?
a) pepper,sand and salt
b) salt, lemonade powder and sand
c) salt and lemonade powder
d) pepper and sand


What tool can you use to separate a mixture of rocks and sand the fastest?
a) sieve
b) tweezers
c) magnet
d) hand's


What tool can you use to separate a mixture of sand and water?
a) hands
b) filter
c) tweezers
d) craft stick


Which of the following, if added to water, will change shape?
a) salt
b) sand
c) wood
d) glass


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?
a) filter
b) screen
c) magnet
d) evaporation ​