8th grade science moves from observation to explanation using models and evidence. Students investigate matter and reactions, forces and motion, energy and waves, and Earth's changing crust, while learning to plan fair tests and weigh claims.
Key Topics Covered:
Elements, compounds and mixtures, chemical reactions, Newton's laws, energy transfer, waves, plate tectonics, the rock cycle, investigation design and data analysis.
Parent Tip:
8th grade is when students start using scientific models and evidence on purpose. Strong foundations in matter, forces and energy make high school biology and chemistry easier, and most states test science this year.
Skills Your Child Will Build
By Quarter 4 of 8th Grade Science, Your Child Will...

4 school quarters. 10 lessons each. Mapped to Common Core and NGSS.
8th Grade Science Curriculum, Quarter by Quarter
Quarter 1
| No. | Topic | What We Cover |
|---|---|---|
| 01 | Elements, Compounds and Mixtures | Classify matter and use particle models to show atoms, molecules, compounds and mixtures. |
| 02 | The Periodic Table | Read the periodic table and relate position to properties of common elements. |
| 03 | Mixtures, Solutions and Separation | Compare solutions, suspensions and colloids and design ways to separate mixtures. |
| 04 | Properties of Matter | Measure density, solubility and melting point and use them to identify substances. |
| 05 | Physical and Chemical Changes | Use evidence such as gas, color change and temperature to tell the two apart. |
| 06 | Chemical Reactions | Identify reactants and products and observe signs of a reaction safely. |
| 07 | Conservation of Mass | Show with models and measurements that mass is conserved in reactions. |
| 08 | Energy in Reactions | Compare reactions that release heat with those that absorb it, such as hand warmers and cold packs. |
| 09 | Designing a Chemical Solution | Design and test a product, such as a hand warmer, using what you know about reactions. |
| 10 | Quarter 1 Review | Review matter and reactions. A mock test and parent report follow. |
Every One-hour Lesson Follows a Proven Structure
What a Typical Lesson Looks Like

Warm-up (5 min)
Quick review of the previous session and a what do you notice question
Core Teaching (25 min)
New idea from the lesson eBook, with demonstrations and examples
Guided Practice (15 min)
Student works through a data set or investigation with tutor support
Independent Practice (10 min)
Student completes the in-class quiz independently
Wrap-up (5 min)
Summary, 2 take-home quizzes and a preview of the next session
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