5.5A science

Alan put sugar, salt, water and rocks in a cup.  Then he stirred the ingredients together. After he stirred, Alan could see only the rocks and water, but not the sugar or salt. Why did this happen?

• The rocks are part of Ala's solution and his mixture.
• The rocks are part of Alan's mixture, but not his solution.
• The rocks are part of Alan's solution and his mixture
• Alan did not make a solution nor a mixture.

Which property of a sugar cube does not change when it dissolves?

• Color
• Texture
• shape
• Taste

Which property could be used to separate wood from rocks?

• Buoyancy
• Magnetism
• Size
• Color

Which tool can be used to separate a mixture containing particles of different sizes?

• Strainer
• Magnet
• microscope
• Meter stick

Which of the following is the part of an investigation that is changed?

• Control
• Data
• question
• variable

Sand placed in water forms a 

• Solutio
• Mix
• Solid
• insulator

Which of the following is an example of a solution?

• Salt
• Water
• Lemon
• sugar

A student places a sugar cube in a beaker of water. What change will occur?

• The sugar cube will not change
• More water will be formed
• The sugar cube will seem to disappear.
• The water will form crystals.

what should you do if something catches fire during an investigation?

• run to the exit
• Pour water on it
• Tell the teacher
• Get a friend to help