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Grade 3

Classroom videos, student handouts, and offline lesson plans will be made available on the days listed below. 
 
You will be able to send these videos and handouts to your students to provide them with key concepts and activities that link to the curriculum.

The offline lesson plans provide a detailed explanation of the concepts and the procedure. You can use this to help teach the lesson. These will also be made available to students without internet access.


structures and mechanisms
  • Column Challenge!

    How strong is paper? Fold and bend paper to see if different shapes lend more strength to a material. Investigate why columns are an effective building element for strong and stable structures.


    MATERIALS

    • 3 sheets of 8 ½” x 11 paper (you can recycle scrap paper!)
    • Masking tape or scotch tape
    • A load (a can of soup)
    • A piece of cardboard larger than the base of the can of soup
    • A towel or blanket

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS


  • Making Materials Stronger!

    Humans have a knack for taking simple materials and making them stronger, more durable, or more resilient, just by making simple changes to their shape. Find out how you can make changes to strengthen materials that you can find at home!


    MATERIALS

    • Paper towel
    • Something heavy-ish with a handle that will not make a mess if it is dropped, such as a small bucket filled with objects or a tightly closed filled jug or water bottle with a handle.
    • Paper (recycled office paper is fine!)
    • String or ribbon

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS

earth and space systems
  • Soils and Plants!

    Soil is an essential source of life and nutrients for many living things. Students examine the composition and characteristics of soils and set-up an experiment to see how well different soils support plant growth.


    MATERIALS

    • Lettuce seeds (1 pack)
    • 1 cup each of sand, dirt, seed-starting potting mix or compost
    • Egg carton
    • Tray or dinner plate
    • Permanent marker
    • Tablespoon
    • Saucer
    • Toothpicks (2)
    • Water in a spray bottle (1 cup)

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS


  • Building Soil!

    Students will play a sorting game and learn about composting. They will also learn how building soil is a nature-based solution for climate change.


    MATERIALS

    • One day’s worth of the student’s household waste
    • Three containers to sort waste into

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS

life systems
  • Life Cycle of a Pine Tree!

    In this activity, students will explore the life cycle of a pine tree and learn what makes them different from other trees in the forest. After learning about special adaptations that allow certain pine trees to succeed, students can perform an experiment on a pine cone to see how change in temperature will affect the cones.


    MATERIALS

    • 3 jars (mason jars work well)
    • 3 pinecones (Eastern white pine)
    • Warm water
    • Cold water
    • Ruler
    • Timer

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS


  • Colouring With Chlorophyll!

    In this lesson, students will learn what makes leaves green, and what makes them change colours, especially in the fall. They will understand the basic characteristics of plants and what makes them grow.


    MATERIALS

    • A glass or jar
    • A spoon or mortar and pestle
    • Rubbing alcohol
    • White coffee filters
    • Leaves or spinach leaves
    • Scissors

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS

matter and energy
  • Contact and Non-Contact Forces!

    In this lesson, students will learn about contact and non-contact forces by building a toy car and moving it with different forces.


    MATERIALS

    TOY CAR

    Tools:

    • Tape
    • Scissors
    • Pencil

    Body:

    • Craft stick
    • Foam tray
    • Cardboard

    Four Wheels:

    • Cardboard
    • Pop bottle lids

    Axles:

    • Straw
    • Skewers
    • Toothpicks (round)

    Motors:

    • Sheet of paper
    • Skewer
    • Magnets (stronger the better)
    • Balloon
    • Plastic straw

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS


  • Water Forces!

    Students will learn about the forces found in the environment while experimenting with water.


    MATERIALS

    Spinning Water Bottle:

    • 3 Straws (preferably bendy ones)
    • Empty plastic bottle
    • Screw or something pointy
    • Scissors
    • Modelling clay (or Play-Doh)
    • String
    • Water
    • Big bowl or a large bassin (sink or tub)

    Water Wheel:

    • Skewer
    • 2 paper clips
    • Tape
    • 2L bottle or large bowl
    • Scissors
    • Long cork or empty spool of string
    • 2 index cards
    • Mod Podge® (optional)
    • Paint brush (optional)

    HANDOUT

    HANDOUT ANSWERS

    DOWNLOADABLE RESOURCES

    CURRICULUM CONNECTIONS

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