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Mixtures and Solutions
Grade 5 - Science - Building Confidence
Worksheet 1
1muddy water: soil particles are suspended in water. Is it a mixture or a solution?
2Which evidence supports calling trail mix a mixture?
3Which method could separate muddy water?
4The graph shows mass before and after making trail mix. What does it support?
5Which question belongs in a mixtures and solutions investigation about salt water?
6salt water: salt dissolves evenly in water. Is it a mixture or a solution?
7Which evidence supports calling salt water a solution?
8Which method could separate oil and water?
9The graph shows mass before and after making muddy water. What does it support?
10Which question belongs in a mixtures and solutions investigation about muddy water?
About this worksheet
Mixtures and solutions show that materials can be combined while the matter is still present asks fifth graders to connect a model, data table, or observation with a scientific explanation. Students may think a dissolved solid has disappeared or that every combined sample is a new substance, even when filtering, magnets, or evaporation can separate the parts. This worksheet keeps each question tied to the named science idea, so students cannot answer by eliminating vocabulary from a different unit. Students classify mixtures and solutions, choose separation methods, identify evidence of dissolved or visible parts, and use mass data to show matter is conserved. Support versions use familiar examples and direct observations. Standard and challenge versions add closer distractors, multi-step evidence, and model-based reasoning. Ask your child to point to the measurement, diagram, or cause-and-effect clue before choosing. If an answer sounds scientific but does not explain the evidence in the prompt, it is probably a distractor.
What your child will learn
Classify mixtures
Identify solutions
Choose separations
Track mass
Worked example
Salt water is a solution because salt dissolves evenly, and evaporation can recover the salt.
Common mistake
Thinking dissolved matter is gone because it can no longer be seen.
Helpful hint
Ask whether the parts are visible, dissolved evenly, or separable by a property.