7th grade Science: how to help at home
What your child learns in 7th grade science in the Washington State Learning Standards, and simple things to try at home.
Focus areas this year
- Chemical reactions
- Ecosystems and the flow of energy
- Earth's surface and resources
Easy ways to practice science at home
- Turn everyday questions into investigations: “Which paper towel holds the most water?”
- Read a science news story together and ask what evidence it gives.
- Look up how a household machine works, such as a bike gear, a lamp or a fridge.
- Have your child draw and label a diagram of something they just learned.
What each unit covers
Atoms & Elements
Elements versus compounds and mixtures, chemical symbols (H, O, Na, Cl, Fe, Au…), counting atoms in formulas like H₂O and C₆H₁₂O₆, metals and non-metals, and the basics of the periodic table.
Ecosystems
Biotic and abiotic parts of an ecosystem, how they interact, and the limiting factors and carrying capacity that decide how many organisms an ecosystem can support.
Food Chains & Energy
Producers, consumers and decomposers, food chains and webs, how energy shrinks as it passes up a chain (about 10% each step), and what happens when part of a chain changes.
Cycles & Succession
How water, carbon and nitrogen are cycled through ecosystems, why cycling supports sustainability, and the difference between primary and secondary succession.
Particles & Mixtures
The particle theory of matter, the states of matter, pure substances versus mixtures, and homogeneous versus heterogeneous mixtures.
How Plants Work
The parts of seed plants and what they do, photosynthesis, gas exchange, transpiration and pollination, and how plant structures suit where a plant grows.
Chemical Reactions
Practices signs of chemical reactions, how properties change when new substances form, conservation of mass, and devices that release or absorb thermal energy through reactions.
Earth's Moving Surface
Practices plate tectonics and evidence from fossils, rocks and continent shapes, the rock cycle, and how processes at different speeds shape Earth's surface, including the Cascade volcanoes.
Resources & Hazards
Practices why Earth's mineral, energy and groundwater resources are unevenly spread, how scientists forecast natural hazards, and designing ways to reduce human impact on the environment.
Biodiversity & Puget Sound
Practices why biodiversity and ecosystem services matter, and how to evaluate solutions that protect ecosystems such as Puget Sound, salmon streams and old-growth forests.
What the report card levels look like at home
- Beginning
- Just getting started with this idea. Short, regular practice with lots of support helps most.
- Approaching
- Understands parts of it and is building confidence. Keep practicing the tricky parts.
- Meeting
- Has it! Mixed review now and then keeps it strong.
- Exceeding
- Applies it confidently, even in new or harder situations. Try challenge mode and real-life problems.
Your child’s teacher decides the level on the report card. Read the Washington report card guide.
Common questions
Turn everyday questions into investigations: “Which paper towel holds the most water?” Read a science news story together and ask what evidence it gives. Keep sessions short, about 10 to 15 minutes, and stop on a success.
The Washington State Learning Standards 7th grade science units include Atoms & Elements, Ecosystems, Food Chains & Energy, Cycles & Succession, Particles & Mixtures, How Plants Work.
Free printable 7th grade science practice sheet
Questions from every unit, with an answer key.