Science · Year 5

Active learning ideas

Friction and Surfaces

Active, hands-on tasks build lasting understanding of friction because students feel its effects directly rather than memorise definitions. Carrying out fair tests on ramps and brakes lets children connect abstract forces to everyday experience, reinforcing science as inquiry-based learning.

• National Curriculum Attainment Targets
• NC-KS2-Science-Y5-Forces-2

• 20–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Inquiry Circle
• 45 min · Small Groups

Ramp Testing: Surface Showdown

Pupils select objects like toy cars and test them down ramps covered in foil, sandpaper, carpet, and cloth. They measure travel distance or time with rulers and stopwatches, recording in tables. Groups discuss which surface creates most friction and why.

Evaluate whether friction is always a force that we want to reduce.

Facilitation Tip

During Ramp Testing, place a strip of masking tape at the start line so every release is from the same spot and the only variable changes are surfaces.

What to look for

Provide students with a small toy car and three different surfaces (e.g., smooth plastic, carpet square, sandpaper). Ask them to: 1. Predict which surface will cause the car to travel the furthest. 2. Briefly explain their prediction based on surface texture. 3. Record the actual distance traveled on each surface.

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

Activity 02

• Inquiry Circle
• 30 min · Pairs

Heat Friction Hunt

Provide pairs with wooden blocks, sandpaper, and thermometers. Students rub surfaces vigorously for one minute and measure temperature rise. They repeat with smoother materials and graph results to compare heat generation.

Analyze how different materials help us maintain control while driving or walking.

Facilitation Tip

During Heat Friction Hunt, remind students to press their palms together for exactly ten slow rubs so heat data is consistent across pairs.

What to look for

Pose the question: 'Is friction always a force we want to reduce?' Ask students to provide at least two examples where friction is helpful and two examples where it is unhelpful, explaining their reasoning for each.

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

Activity 03

• Inquiry Circle
• 50 min · Small Groups

Braking Design Challenge

Teams build simple car models from cardboard and straws, testing braking on inclines with added rubber bands or fabric. They modify for best control and present findings to the class.

Design an experiment to measure the invisible force of friction between two solids.

Facilitation Tip

During Braking Design Challenge, provide only one type of modelling clay so groups focus on surface choice rather than material differences.

What to look for

Show images of different scenarios (e.g., an icy road, a person walking on sand, a bicycle brake being applied). Ask students to identify the role of friction in each scenario and whether it is helping or hindering movement, using vocabulary like 'grip' or 'resistance'.

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

Activity 04

• Inquiry Circle
• 20 min · Whole Class

Whole Class Friction Vote

Display images of scenarios like skiing or cycling. Class votes on friction's usefulness, then tests mini-models to confirm. Tally results on board for discussion.

Evaluate whether friction is always a force that we want to reduce.

Facilitation Tip

During Whole Class Friction Vote, ask students to hold up their chosen surface card while you snap a quick photo—this gives you an instant visual record for comparison.

What to look for

Provide students with a small toy car and three different surfaces (e.g., smooth plastic, carpet square, sandpaper). Ask them to: 1. Predict which surface will cause the car to travel the furthest. 2. Briefly explain their prediction based on surface texture. 3. Record the actual distance traveled on each surface.

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

A few notes on teaching this unit

Teach friction by starting with what students already know from playground slides or bike rides, then guide them to measure rather than guess. Emphasise controlling variables and repeating trials, because young learners often think one test is enough. Use everyday language like grip and slip instead of introducing new jargon too soon.

By the end of the activities, students will confidently explain how surface texture changes sliding distance and heat production. They will justify choices in fair-test design and apply their findings to real-world situations like shoe soles or car tyres.

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Watch Out for These Misconceptions

• During Ramp Testing: Surface Showdown, watch for students who think sandpaper will always win because it looks roughest.

  Use the ramp race to redirect thinking: after each trial, ask groups to hold the block and feel its warmed surface, then discuss how grip—not just roughness—matters for control.

• During Heat Friction Hunt, watch for students who believe only rough textures create heat.

  Have students oil a block before rubbing it on the same surface and compare temperature changes, showing that lubricants lower friction too.

• During Whole Class Friction Vote, watch for students who say friction only happens between solids.

  Use the balloon drop test from the Balloon Drop extension: students compare a dropped balloon to a feather, then explain air resistance as a form of friction between gas and solid.

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Methods used in this brief

• Inquiry Circle