Investigating Push and Pull Forces

Active learning helps students connect abstract force concepts to concrete experiences. When children push, pull, and observe motion firsthand, they build durable understanding of how forces interact with objects. These hands-on activities transform everyday actions into meaningful investigations of push and pull forces.

• 3rd Class
• Curious Investigators: Exploring Our World
• 4 activities
• 20 min–45 min

Learning Objectives

1. Compare the effects of different magnitudes of push and pull forces on the motion of an object.
2. Explain how applying a push or pull force causes an object to start, stop, or change direction.
3. Predict the direction an object will move based on the direction of the applied push or pull force.
4. Classify common actions as either a push or a pull force.

Experiential Learning

⏱ 30 min·Pairs

Pairs: Ramp Push Challenges

Partners set up ramps with books and release toy cars after applying measured pushes using hand spans. They predict and measure distances traveled, then switch roles to test pulls by attaching strings. Discuss how force strength changes outcomes.

Prepare & details

Analyze how different magnitudes of push or pull affect an object's motion.

Facilitation Tip: During Ramp Push Challenges, circulate and ask each pair to predict how far their car will travel before testing, then compare predictions to actual results.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 45 min·Small Groups

Small Groups: Force Direction Hunt

Groups use balls and hoops to explore pushes and pulls in different directions, marking paths with chalk. They predict ball movement before applying forces and adjust based on results. Share findings on a class chart.

Prepare & details

Compare the effects of pushing versus pulling on various objects.

Facilitation Tip: In Force Direction Hunt, give each group a simple map with force arrows drawn in different colors to help them track their findings.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 20 min·Whole Class

Whole Class: Tug and Predict

Class lines up for a modified tug-of-war with ropes marked for grip points. Teacher calls force magnitudes; students predict winners and test. Debrief on balanced versus unbalanced forces.

Prepare & details

Predict the direction of movement based on applied forces.

Facilitation Tip: For Tug and Predict, assign roles so every student actively participates in pulling, recording predictions, and discussing outcomes.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 25 min·Individual

Individual: Force Journal

Each student draws objects and arrows showing predicted pushes or pulls, then tests with classroom items like erasers. They note matches or surprises in journals for later group review.

Prepare & details

Analyze how different magnitudes of push or pull affect an object's motion.

Facilitation Tip: When students complete Force Journals, model how to record observations with labeled diagrams and brief notes about force strength and motion.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Teaching This Topic

Teach push and pull forces by starting with clear demonstrations of force direction and magnitude. Use everyday objects students can relate to, like rolling balls or sliding blocks, to show how forces work. Avoid overcomplicating with abstract terms early on. Instead, build understanding through repeated, guided practice with immediate feedback. Research shows that hands-on investigations with prediction, testing, and discussion deepen conceptual understanding more than lectures alone.

What to Expect

Successful learning looks like students accurately describing how force direction and strength change an object's motion. They should compare gentle and strong pushes, explain why objects slow down, and predict outcomes before testing. Clear labeling and discussion of results show they grasp the core ideas.

Watch Out for These Misconceptions

Common Misconception

During Ramp Push Challenges, watch for students who assume forces only come from people pushing toys.

What to Teach Instead

Use the ramp tests to highlight how gravity and friction act without human input. Pause the activity to discuss why cars slow down naturally, asking students to observe the ramp surface and air resistance.

Common Misconception

During Ramp Push Challenges, watch for students who believe a harder push always makes an object go farther regardless of conditions.

What to Teach Instead

Have students predict outcomes before testing with varied objects and ramp angles. Ask them to explain why a light ball might travel farther than a heavy block after the same push, using their observations to correct the misconception.

Common Misconception

During Tug and Predict, watch for students who treat push and pull as completely different forces.

What to Teach Instead

Use the string-pull experiments to show that direction alone distinguishes push from pull. Ask students to demonstrate how a push backward on a string can move an object forward, clarifying that force direction, not type, matters.

Assessment Ideas

Exit Ticket

After the Force Journal activity, provide students with a worksheet showing pictures of common actions (e.g., opening a door, kicking a ball). Ask them to label each action as a 'push' or 'pull' and briefly describe how the force affects the object's motion.

Discussion Prompt

During Tug and Predict, present students with a toy car. Ask: 'If I want to make this car move faster, what kind of force should I apply, and how strong should it be? What if I want to stop it? How would I do that?' Encourage them to use the terms 'push', 'pull', and 'magnitude'.

Quick Check

During Ramp Push Challenges, circulate and ask individual students to demonstrate a strong push versus a gentle push on a specific object. Ask them to explain the difference in the object's resulting motion using the terms 'force strength' and 'distance traveled'.

Extensions & Scaffolding

• Challenge: Ask students to design a ramp that makes a toy car travel the farthest distance, recording their ramp angle and force used.
• Scaffolding: Provide students with labeled cards showing types of forces (e.g., push, pull, gravity, friction) to reference during activities.
• Deeper exploration: Introduce the concept of balanced and unbalanced forces by having students observe what happens when two opposing pushes are equal or unequal in strength.

Key Vocabulary

Force	A push or a pull that can make an object move, stop moving, or change direction.
Push	A force that moves an object away from the source of the force.
Pull	A force that moves an object towards the source of the force.
Motion	The process of moving or changing position.
Magnitude	The strength or amount of a force, such as a gentle push or a strong shove.