7th grade Science: how to help at home
What your child learns in 7th grade science in the Minnesota K-12 Academic Standards, and simple things to try at home.
Focus areas this year
- Life science: cells, body systems, ecosystems, heredity and natural selection
- Science and engineering practices: arguing from evidence
- How science connects to people and communities in Minnesota and beyond
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
Natural Selection
Variation, inherited versus acquired traits, adaptations, and how natural selection changes populations over generations, with fossils and other evidence. Includes reading data from a predator–prey model.
Cells: Life's Building Blocks
Practices evidence that living things are made of cells, the parts of plant and animal cells and their jobs, and how the cell works as a system.
Cells & Life Processes
The cell theory, what organelles do in plant and animal cells, how photosynthesis and respiration are connected, osmosis, and how cells form tissues, organs and organ systems.
Body Systems
How the nervous and endocrine (hormone) systems send messages, how the excretory system removes waste, and the basic organs of the reproductive system, all at a simple organ-and-job level.
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.
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.
Genes & Heredity
Practices how genes on chromosomes code for proteins that shape traits, how mutations can be harmful, helpful or neutral, and how sexual and asexual reproduction differ in passing on genes.
Natural Selection
Practices how variation in traits leads some individuals to survive and reproduce more, how populations change over generations, and how artificial selection works.
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 Minnesota 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 Minnesota K-12 Academic Standards 7th grade science units include Natural Selection, Cells: Life's Building Blocks, Cells & Life Processes, Body Systems, How Plants Work, Ecosystems.
Free printable 7th grade science practice sheet
Questions from every unit, with an answer key.