Grade guide · Grade 8
Grade 8 in British Columbia: what your child learns this year
Grade 8 has 86 short lesson videos on Knowledge Made Fun across Mathematics and Science. Each lesson is about a minute long, follows the British Columbia curriculum and comes with a transcript. Two lessons play free without an account.
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What a family can do with this grade today, without paying.
- Watch two Grade 8 lessons on the website without an account. Grade 8 lessons
- Sign in free, no payment and no card, to watch three lessons a day. Pick a lesson
- Draw and print graph paper, no account needed. Graph paper
- Put a timer, a name picker, dice, a noise meter or a scoreboard on the screen, no account needed. Classroom tools
Subject
Mathematics
43 lessons for Grade 8, by strand.
All Grade 8 Mathematics lessons
Number
- Perfect squares and perfect cubes: building them from tiles and cubes
- Spotting Perfect Squares and Cubes from Prime FactorsSpotting perfect squares and cubes from prime factors
- Square roots: the side of a square from its area
- Cube roots: the edge of a cube from its volume
- Estimating √30 Between Two Perfect SquaresEstimating a square root between two perfect squares
- Half a Percent of a BillionPercents less than 1%: half a percent of a billion
- Percents over 100%: more than the whole
- Percent increase: finding the new amount
- Finding the original amount before an increase
- Rates and Unit Rates: How Much for OneRates and unit rates: how much for one
- Solving a proportion with equivalent ratios
- Sharing an Amount in a RatioSharing an amount in a ratio, including three-part ratios
- Adding and Subtracting Fractions with Different DenominatorsAdding and subtracting fractions with different denominators
- Multiplying Fractions: A Fraction of a FractionMultiplying fractions: a fraction of a fraction
- Dividing Fractions: How Many Pieces Fit?Dividing fractions: how many groups fit
- Order of operations with fractions and brackets
Patterns and algebra
- Choosing a Scale When the Numbers Are LargeChoosing a scale for the axes when the numbers are large
- Graphing y = 2x − 3 with Negative CoordinatesGraphing a linear relation with negative coordinates
- One Relation, Three Ways: Expression, Table and GraphOne relation, three ways: expression, table and graph
- Writing an expression to describe a relationship
- Substituting into Expressions with Negatives and DecimalsSubstituting into an expression with negatives and decimals
- Solving Two-Step Equations with Negative NumbersSolving two-step equations with negative numbers
- Algebra Tiles: Solving 2x + 3 = −5 with Zero PairsAlgebra tiles: solving an equation with zero pairs
Geometry and measurement
- Surface area: add the areas of every face
- Surface Area of a Triangular PrismSurface area of a triangular prism
- Surface area of a cylinder: two circles and a rectangle
- Volume Is the Area of the Base Times the HeightVolume is the area of the base times the height
- Volume of a Triangular PrismVolume of a triangular prism
- Volume of a Cylinder: Base Area Times HeightVolume of a cylinder
- The Pythagorean Theorem: Squares on the Sides of a Right TriangleThe Pythagorean theorem: squares on the sides of a right triangle
- Why the Pythagorean theorem works: a rearrangement proofA proof of the Pythagorean theorem by rearranging triangles
- Finding the Hypotenuse with the Pythagorean TheoremFinding the hypotenuse with the Pythagorean theorem
- Finding a Missing Leg with the Pythagorean TheoremFinding a missing leg with the Pythagorean theorem
- Top, Front and Side Views of a 3D ObjectFront, top and side views of a 3D object
- Building a 3D Object from Its Top, Front and Side ViewsBuilding a 3D object from its top, front and side views
- Which Nets Fold into a Cube?Which nets fold into a cube?
Data and probability
- Mean, Median and Mode of a Data SetMean, median and mode of a data set
- Choosing the best average: mean, median or mode
- All the Outcomes of Two Spins: Tables and Tree DiagramsAll the outcomes of two events: tables and tree diagrams
- Two independent events: multiply the probabilitiesProbability of two independent events: multiply
- Is the Game Fair? Checking with Theoretical ProbabilityIs the game fair? Checking with theoretical probability
The full curriculum is on the Province's site.
Subject
Science
43 lessons for Grade 8, by strand.
Biology
- The Characteristics of Life: Six Signs of a Living ThingThe characteristics of life: six things all living things do
- Are viruses alive? Why scientists disagreeAre viruses alive? Life at the boundary
- Cell theory: three ideas about cells
- Prokaryotic and eukaryotic cells: is there a nucleus?Prokaryotic and eukaryotic cells
- Plant and Animal Cells: What They Share and How They DifferPlant and animal cells: what they share and how they differ
- Organelles: The Jobs Inside a CellInside a eukaryotic cell: organelles and their jobs
- Photosynthesis: how plants make sugar from light
- Cellular Respiration: How Cells Release Energy from SugarCellular respiration: how cells release energy from sugar
- Photosynthesis and Respiration: Two Halves of One CyclePhotosynthesis and cellular respiration: mirror-image reactions
- Microbes as Decomposers: Recycling NutrientsMicrobes as decomposers: recycling nutrients
- Helpful and Harmful MicrobesHelpful and harmful microbes: disease, cheese and striped tulips
- The Body's First Defences: Barriers, Inflammation and FeverThe body's first defences: barriers, inflammation and fever
- Antibodies and Memory Cells: The Body's Targeted DefenceAntibodies and memory cells: the body's targeted defence
- How Vaccines Train the Immune SystemHow vaccines train the immune system
- Community immunity: how vaccination stops a disease spreadingHerd immunity: protecting people who cannot be vaccinated
- Antibiotics kill bacteria, not virusesAntibiotics work on bacteria, not viruses
- Antibiotic resistance: how superbugs evolveAntibiotic resistance: how bacteria evolve to survive antibiotics
- Epidemics and pandemics: how far a disease spreads
- How one case becomes thousands: the reproduction number
Chemistry
- Kinetic molecular theory: particles always on the move
- Changes of State: Why the Temperature Stops RisingChanges of state: why temperature stops rising while ice melts
- How the model of the atom changed: Dalton to Bohr
- The Gold Foil Experiment: Discovering the NucleusThe gold foil experiment: discovering the nucleus
- Brownian motion: evidence that molecules exist
Physics
- Inside the nucleus: protons, neutrons and quarks
- The Strong Nuclear Force: What Holds the Nucleus TogetherThe strong nuclear force: what holds the nucleus together
- Electrons: Tiny Leptons Held by Electric AttractionElectrons: tiny leptons held by electric attraction
- The electromagnetic spectrum: from radio waves to gamma rays
- Helpful and Harmful Effects of Electromagnetic RadiationHelpful and harmful effects of electromagnetic radiation
- Light as a Wave: Wavelength, Frequency and AmplitudeLight as a wave: wavelength, frequency and amplitude
- Light: A Wave and a ParticleLight behaves like a wave and like a particle
- Reflection: The Law of Reflection and Mirror ImagesReflection: the law of reflection and mirror images
- Refraction: why light bends in water and glass
- Lenses: How Convex and Concave Lenses Form ImagesLenses: how convex and concave lenses form images
- Transparent, translucent or opaque: what materials do to light
- How the Eye Forms an ImageHow the eye forms an image
- Cameras, Microscopes and Telescopes: Tools That Extend Our SightCameras, microscopes and telescopes: tools that extend our sight
Earth science
- Plate Tectonics: Moving Plates and the EvidenceClues that continents move: coastlines, fossils and rocks
- Plate Boundaries: Apart, Together or Sliding PastPlate boundaries: divergent, convergent and transform
- Why Earthquakes and Volcanoes Happen at Plate EdgesWhy earthquakes and volcanoes happen at plate boundaries
- Megathrust Earthquakes and Tsunamis: How Cascadia Snapped in 1700Megathrust earthquakes and tsunamis at a subduction zone
- Layers of the Earth: Crust, Mantle, Outer Core and Inner CoreLayers of the Earth: crust, mantle, outer core and inner core
- How we know what is inside the Earth: seismic wavesHow seismic waves reveal Earth's layers
The full curriculum is on the Province's site.
Every lesson on the site is listed under Lessons, and the pricing page says what is free and what Plus adds.