Grade 8 Science: how to help at home
What your child learns in Grade 8 science in the Manitoba Curriculum, and simple things to try at home.
The Big Ideas this year
- How do the nature of the particles that make up matter influence the properties of materials?
- How does solar energy travel to Earth, and what effects does it have on the planet?
- How are organisms organized at the cellular level?
Easy ways to practise 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
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.
Heart & Blood
The heart, blood vessels and blood, how the circulatory system delivers oxygen and removes waste, and how it helps the body stay in balance.
Particles & Matter
How the movement of particles explains solids, liquids and gases and changes of state, the parts of an atom (including the quarks inside protons and neutrons, and electrons as leptons), elements and compounds, and telling physical from chemical changes.
Density & Buoyancy
Calculating density from mass and volume, explaining why solids, liquids and gases differ in density using the particle theory, and predicting whether objects float or sink in different fluids.
Viscosity & Flow
What viscosity is, how temperature and other factors change how fluids flow, and how to find a flow rate by dividing volume by time.
Light & Radiation
Wavelength and frequency, the electromagnetic spectrum from radio waves to gamma rays and what each is used for, reflection, refraction and colour, and staying safe from UV radiation.
The Sun, Energy & Climate
How sunlight warms Earth, why dark and bright surfaces differ, Earth's energy budget, the greenhouse effect, and photosynthesis at the start of every food chain.
Inside Earth
The layers of Earth, where Earth's heat comes from, how tectonic plates move, and why earthquakes, volcanoes and mountains form where they do.
What the report card levels look like at home
- Level 1
- Just getting started with this idea. Short, regular practice with lots of support helps most.
- Level 2
- Understands parts of it and is building confidence. Keep practising the tricky parts.
- Level 3
- Has it! Mixed review now and then keeps it strong.
- Level 4
- 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 Manitoba report card guide.
Common questions
How can I help my Grade 8 child with science?
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.
What does my child learn in Grade 8 science in Manitoba?
The Manitoba Curriculum Grade 8 science units include cells & life processes, heart & blood, particles & matter, density & buoyancy, viscosity & flow, light & radiation.
Free printable Grade 8 science practice sheet
Questions from every unit, with an answer key.