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SNC2D · Ontario — motion, light, heat, electricity, and weather

Grade 10 Science

0 of 210 stars · 0 of 42 lessons done · report card →
Formula pick
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Rearranging
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Setup & units
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Answers
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Motion — Speed, Distance, Time

  • L1
    Reading the Quantities
    speed, distance or time — the units say which
    ★★★★★
    Start
  • L2
    The Speed Formula
    v = d/t · say it aloud and it's yours
    ★★★★★
    Start
  • L3
    Calculate the Speed
    runners, cyclists, cars — numbers into sockets
    ★★★★★
    Start
  • L4
    Solve for Distance
    d = v·t · the seconds cancel
    ★★★★★
    Start
  • L5
    Solve for Time
    t = d/v · how long will it take
    ★★★★★
    Start
  • L6
    Speed in Real Units
    m/s ↔ km/h · the ×3.6 bridge
    ★★★★★
    Start
  • L7
    Average Speed over a Whole Trip
    total distance over total time — no shortcuts
    ★★★★★
    Start
  • ★
    The Highway Run
    the boss · no calculator · three legs, one average
    ★★★★★
    Start

Light & Geometric Optics

  • L9
    Light as a Wave
    v = fλ · every wave obeys it, light included
    ★★★★★
    Start
  • L10
    The Index of Refraction
    n = c/v · how much a medium slows light
    ★★★★★
    Start
  • L11
    Snell's Law
    n₁ sin θ₁ = n₂ sin θ₂ · light bends at the border
    ★★★★★
    Start
  • L12
    The Critical Angle
    total internal reflection · the angle of no escape
    ★★★★★
    Start
  • L13
    Curved Mirrors
    f = R/2 · the focus sits at half the radius
    ★★★★★
    Start
  • L14
    The Thin Lens Equation
    1/f = 1/dₒ + 1/dᵢ · the chapter's first full ladder
    ★★★★★
    Start
  • L15
    Magnification
    m = hᵢ/hₒ and m = −dᵢ/dₒ · minus means upside down
    ★★★★★
    Start
  • L16
    Lens Power in Diopters
    P = 1/f · metres only — mind the cm
    ★★★★★
    Start
  • ★
    Boss — The Optics Bench
    the boss · no calculator · candle, lens, screen
    ★★★★★
    Start

Heat & Temperature

  • L18
    Heat Is Not Temperature
    joules move, degrees describe
    ★★★★★
    Start
  • L19
    Specific Heat Capacity
    Q = mcΔT · the price tag on a degree
    ★★★★★
    Start
  • L20
    Rearranging Q = mcΔT
    mass, price tag or climb — the mystery metal
    ★★★★★
    Start
  • L21
    Latent Heat of Phase Change
    Q = mL · energy in, temperature flat
    ★★★★★
    Start
  • L22
    Climbing the Heating Curve
    sensible plus latent · add every leg
    ★★★★★
    Start
  • L23
    Thermal Expansion
    ΔL = αL₀ΔT · why the rail has gaps
    ★★★★★
    Start
  • L24
    Heat Flowing Through a Wall
    P = kAΔT/d · a rate, not a total
    ★★★★★
    Start
  • ★
    The Kettle Problem
    the boss · no calculator · tap to steam
    ★★★★★
    Start

Electricity — Circuits & Power

  • L26
    Charge and Current
    Q = I·t · amps are coulombs on the move
    ★★★★★
    Start
  • L27
    Ohm's Law
    V = I·R · the chapter's anchor formula
    ★★★★★
    Start
  • L28
    Rearranging Ohm's Law
    one law, three outfits
    ★★★★★
    Start
  • L29
    Series Circuits
    end to end · resistances stack
    ★★★★★
    Start
  • L30
    Parallel Circuits
    side by side · the total drops
    ★★★★★
    Start
  • L31
    Electrical Power
    P = V·I · and the I²R detour
    ★★★★★
    Start
  • L32
    The Hydro Bill
    kilowatt-hours, and what they cost
    ★★★★★
    Start
  • ★
    The Circuit Board
    the boss · no calculator · one board, every line
    ★★★★★
    Start

Weather, Climate & the Atmosphere

  • L34
    Pressure Is Force over Area
    P = F/A · why snowshoes work
    ★★★★★
    Start
  • L35
    Pressure Under Water
    P = ρgh · every metre costs 9.8 kPa
    ★★★★★
    Start
  • L36
    Thin Air — Pressure with Altitude
    estimate first · halvings every 5,500 m
    ★★★★★
    Start
  • L37
    Relative Humidity
    RH = pᵥ/pₛₐₜ · warm air is a bigger sponge
    ★★★★★
    Start
  • L38
    The Dew Point
    cool to the line, fog appears
    ★★★★★
    Start
  • L39
    Feels-Like Temperatures
    humidex or wind chill · pick the day's index
    ★★★★★
    Start
  • L40
    Sunlight, Albedo and the Lapse Rate
    Gᵣ = αG · air cools as you climb
    ★★★★★
    Start
  • L41
    Counting the Storm
    flash to bang · sound does the travelling
    ★★★★★
    Start
  • ★
    Boss — The Weather Station
    the boss · no calculator · one stormy afternoon
    ★★★★★
    Start

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