Speed of Movement: Fast and Slow

Active movement experiments let children feel force and friction firsthand instead of hearing abstract rules. When students push cars down ramps and feel surfaces, neural connections for speed and resistance form faster than from a textbook alone.

• Year 1
• Science
• 4 activities
• 20 min–35 min

Learning Objectives

1. Compare the speed of toy cars moving across different surfaces.
2. Explain how surface texture affects the speed of an object's movement.
3. Predict which object will move fastest over a set distance.
4. Identify factors that influence the speed of an object.

Inquiry Circle

⏱ 35 min·Small Groups

Ramp Races: Surface Comparison

Build identical ramps using cardboard and books. Place toy cars at the top and release them on different surfaces taped to the ramp (carpet, foil, sandpaper). Groups time each run with a stopwatch or count 'one-Mississippi' aloud, then compare results on a class chart.

Prepare & details

Compare the speed of a rolling toy car on different surfaces.

Facilitation Tip: During Ramp Races, set identical ramps side by side so groups can compare tile, carpet, and sandpaper in one glance.

Setup: Groups at tables with access to source materials

Materials: Source material collection, Inquiry cycle worksheet, Question generation protocol, Findings presentation template

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Inquiry Circle

⏱ 25 min·Whole Class

Prediction Challenge: Toy Car Derby

Line up toy cars of different sizes or wheels at a start line. Students predict and record which reaches the finish first over 2 meters. Race them with a gentle push, discuss surprises, and re-race to test consistency.

Prepare & details

Explain what makes an object move faster or slower.

Facilitation Tip: In the Prediction Challenge, ask children to sketch their fastest car on a mini whiteboard before racing so reasoning stays visible.

Setup: Groups at tables with access to source materials

Materials: Source material collection, Inquiry cycle worksheet, Question generation protocol, Findings presentation template

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Inquiry Circle

⏱ 30 min·Pairs

Friction Hunt: Classroom Surfaces

Select classroom items like rulers or books as ramps. Pairs roll marbles or cars down each, timing over a fixed distance. Note fast versus slow surfaces and sort them into 'fast' and 'slow' categories with drawings.

Prepare & details

Predict which object will reach the finish line first in a race.

Facilitation Tip: For the Friction Hunt, tape small squares of each surface to desks so students can feel texture differences before timing runs.

Setup: Groups at tables with access to source materials

Materials: Source material collection, Inquiry cycle worksheet, Question generation protocol, Findings presentation template

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Inquiry Circle

⏱ 20 min·Pairs

Push Power: Varying Force

Use a single ramp setup. Students push toy cars lightly, medium, and hard, timing each over the distance. Chart results to see how push strength changes speed, keeping surface constant for fair comparison.

Prepare & details

Compare the speed of a rolling toy car on different surfaces.

Facilitation Tip: Have partners count aloud to three before releasing the car in Push Power to standardize the push force across trials.

Setup: Groups at tables with access to source materials

Materials: Source material collection, Inquiry cycle worksheet, Question generation protocol, Findings presentation template

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Teaching This Topic

Start with a quick warm-up: ask children to mime moving fast and slow around the room. Then model how to hold the car, count the push, and watch the finish line. Avoid telling them the answer; instead, prompt them to notice which surface lets the car travel farther in the same time. Research shows prediction followed by evidence corrects misconceptions more reliably than explanation alone.

What to Expect

Children will confidently link surface texture to speed and use words like faster, slower, and friction when describing trials. They will suggest fair tests by adjusting one variable and keeping others the same.

Watch Out for These Misconceptions

Common Misconception

During Prediction Challenge: Toy Car Derby, watch for students who think a larger or heavier car will automatically win the race.

What to Teach Instead

Hand each group three cars of different sizes and ask them to rank which will finish first before racing. After the derby, have groups present their evidence and adjust their rankings, tying size to friction rather than weight alone.

Common Misconception

During Push Power: Varying Force, watch for students who believe speed will always stay the same on one surface.

What to Teach Instead

Ask partners to repeat the same push three times while a third student times each run. Then have them average the times and compare them to the first trial, highlighting small variations and the need for multiple tests.

Common Misconception

During Friction Hunt: Classroom Surfaces, watch for students who assume all smooth surfaces will make the car go equally fast.

What to Teach Instead

Provide squares of tile, foil, and polished wood and ask students to feel each surface before racing. After trials, have them sort the squares into fast-slow piles and discuss subtle texture differences that affect speed.

Assessment Ideas

Exit Ticket

After Ramp Races: Surface Comparison, give each student a card with pictures of a toy car on carpet, tile, and sandpaper. Ask them to draw an arrow showing the car’s direction and write ‘fast’ or ‘slow’ under each picture, explaining why.

Quick Check

During Prediction Challenge: Toy Car Derby, ask students which surface they predict will make the car go fastest and why. Listen for reasoning that mentions texture or friction rather than size or color.

Discussion Prompt

After Friction Hunt: Classroom Surfaces, ask the class: ‘Imagine you are pushing a toy boat in a bathtub. Would it move faster on the smooth plastic bottom or on a bumpy rubber mat? Explain your answer using the words fast, slow, and surface.’

Extensions & Scaffolding

• Challenge: Give students a stopwatch and ask them to find the smoothest surface in the school yard, then predict and test toy cars on a new material like aluminum foil.
• Scaffolding: Provide picture cards of each surface with a space for students to draw the car’s path and label speed as fast or slow.
• Deeper: Invite students to create a class bar graph showing average race times for each surface, then discuss why some surfaces cluster together.

Key Vocabulary

Speed	How fast or slow something moves over a certain distance.
Fast	Moving a great distance in a short amount of time.
Slow	Moving a short distance in a long amount of time.
Surface	The outside part or uppermost layer of something.
Friction	A force that resists motion when two surfaces rub against each other.