1) Which of these mixtures can be separated by a filter? a) Sugar and salt b) Mud and water c) Oil and water d) Sand and dust 2) A container is filled with a mixture of sand and a mystery substance. What can you do to determine if the mystery substance is iron filings? a) Heat the mixture b) Filter the mixture c) Pour water into the mixture d) Pull a magnet through the mixture 3) A student is given a container of salt and water. To separate these, the student should... a) Use electricity b) Evaporate the water c) Put it under a microscope d) Add water 4) A bucket contains a mixture of glass marbles and wooden blocks. The easiest way to separate these would be to... a) Pour water into the bucket b) Pour the mixture through a strainer c) Pull a magnet through the bucket d) Place the bucket on a heat source 5) A beaker is filled with water and Iron nails. Which is NOT a way to separate the mixture a) Pour the mixture through a strainer b) Evaporate the water c) Pull a magnet through the mixture d) Pour the mixture through a filter 6) When a powdered sports drink was added to water, the liquid turned blue. A student decided that the taste was too sweet, so she added water to the mixture. Which of the following occurred when more water was added to the solution? a) The liquid tasted sweeter than before. b) A The blue color became lighter. c) The electrical conductivity of the solution increased. d) The blue color became darker

Mixtures and solutions

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