10 questions
What is volume?
how much an object weighs
an object's mass
the amount of space that an object takes up
how big something is
Something will FLOAT when...
... the mass is equal to the volume
... the mass is less than the volume
... the mass is greater than the volume
Something will SINK when...
... the mass is equal to the volume
... the mass is less than the volume
... the mass is greater than the volume
What can you conclude from the picture?
The rock and the cork have similar density.
The rock is less dense than the cork, because the rock sank and the cork floats.
The cork is more dense than the water.
The cork is less dense than the rock or water.
What could you conclude from the picture?
The edible oil is less dense than the lamp oil, but it is more dense than the milk.
The milk is more dense than the dishwashing liquid, but less dense than the sugar syrup.
The lamp oil is the most dense liquid shown.
The water is more dense than the oils, but has equal density to the dishwashing liquid.
How might you separate the jellybeans?
Evaporation
Magnetism
Condensation
None of the above.
How might you separate this mixture?
Magnetism then evaporation
Evaporation then condensation
magnetism only
filtration only
Kallee is given a mixture of salt and water. What would be the best way for her to separate the salt from the water?
Let the water evaporate.
Pass a magnetic wand through the mixture until all of the salt is captured.
Pass the mixture through a coffee filter.
Lower the temperature to cause condensation to occur.
Which of the following is NOT a mixture?
potato chips, M&Ms, and pretzels
meatballs and noodles
coffee
sugar and water
Which of the following is considered a solution?
hot cocoa
peanut butter sandwich
thumb tacks and paperclips
rocks and sand