Mississippi Science P.5.5A.3
The Standard
- P.5.5A
- Students will demonstrate an understanding of the physical properties of matter.
Analyze matter through observations and measurements to classify materials (e.g., powders, metals, minerals, or liquids) based on their properties (e.g., color, hardness, reflectivity, electrical conductivity, thermal conductivity, response to magnetic forces, solubility, or density).
2026 Mississippi College- and Career-Readiness Standards for Science · Organization of Matter and Chemical Interactions
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students observe and measure materials, then sort them by properties such as shine, magnetism, hardness, and solubility. They use test results to explain their groups.
What Mastery Looks Like
- A student records observations and measurements, then groups unfamiliar samples by their properties. They can explain why a steel washer and an aluminum can are both metals even though only one sticks to a magnet.
Common Misconceptions
- Students may assume every metal sticks to a magnet or that two white powders are the same material. Some think dissolved salt has disappeared rather than mixed into the water.
How to Assess It
- Exit ticket: Samples A and B are both white powders. Two grams of A dissolves in 50 mL of water, but two grams of B does not. Sort them by solubility and explain why color is not enough.
Lesson moves
Ways to Teach It
Weigh salt, sand, and steel washers, then test each with a magnet and water before sorting by recorded properties.
Ask, 'Both salt and crushed chalk are white. How would you tell them apart without tasting?' Have students write a test plan.
Give teams cards showing measured properties of six mystery samples; have them sort the cards and explain each group with two properties.
Test clean steel and aluminum cans with a magnet; ask how a recycling center could use that result to sort them.
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