
Science • 30 • 16 students • Created with AI following Aligned with provincial curriculum standards
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Describe how forces can act directly or from a distance to cause objects to start to move, speed up, slow down, change direction, or stop moving.
Subject: Science
Level: Grade 5 (Year 5)
Jurisdiction: Canada – British Columbia Curriculum
Curriculum Area: Physical and Chemical Sciences
Big Idea: "Newton’s three laws of motion describe the relationship between force and motion."
Curricular Competencies:
By the end of the 30-minute session, students will be able to:
| Item | Quantity | Description |
|---|---|---|
| Mini skateboards or toy cars | 4 | For studying motion and pushing/pulling |
| Ramp or sloped boards | 2 | To test acceleration and direction change |
| Set of magnets | 8 pairs | For showing non-contact magnetic force |
| Paper clips | 16 | For magnetic force demonstration |
| Stopwatches/timers | 4 | For measuring speed changes |
| Rulers or measuring tapes | 4 | To measure travel distances |
| Chart paper + markers | 2 sets | For group data collection |
| Foam balls | 4 | Soft, throwable balls to highlight pushing force |
| Student science journals | 1 per student | For observations and sketches |
"The Invisible Hand!"
Start by holding a ball in your hand. Ask students:
"Can my hand move this ball?" (they'll say yes).
Then place the ball near a magnetised paper clip and move the magnet under the table. Ask:
"Can I move this clip without touching it?"
Watch their surprise as the object moves without visible contact.
Quick class share:
"What just happened? What made it move?"
Explain that there are different kinds of forces — some that need touch, some that can work from a distance. Today, we'll explore both.
Set up 4 rotating activity stations – divide students into groups of 4.
Each station runs for 5 minutes, with 1 minute to rotate. Assign one team member per group to be timekeeper.
Key question:
How did the size of the push change how far or how fast the car went?
Scientific concept: Contact force — push affects speed and motion.
Key question:
How did the object move without touching it?
Scientific concept: Non-contact force — magnets act at a distance.
Key question:
What made the ball come down or speed up without pushing it?
Scientific concept: Gravity pulls objects down — invisible yet constant non-contact force.
Key question:
Which surfaces slow the car down the most and why?
Scientific concept: Friction slows or stops an object; it's a contact force.
Return to a full-class discussion.
Ask:
Have students think-pair-share and write down one cool thing they learned in their journals. Encourage illustrations or diagrams.
Optional “Exit Ticket” activity: Have each student write or sketch on a sticky note:
"One force I saw today and what it did was..."
Stick on the “Fantastic Forces” board or a wall chart.
Formative Assessment Throughout:
Checklist for each student:
✔ Identifies contact vs. non-contact forces
✔ Describes how a force changed motion (start, stop, speed, direction)
✔ Uses key scientific vocabulary correctly
Questions to consider:
Letting students see and feel the unseen — through rolling, dropping, attracting — packs a powerful "Aha!" moment into a 30-minute block. The world is in motion, and so is their understanding.
Let inquiry pull them in like gravity — strong, silent, invisible, and unstoppable.
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