Compass Needle on Stand

The Compass Needle on Stand is a physics teaching apparatus used for demonstrating magnetic direction and the alignment of a freely rotating magnetised needle. It helps students, teachers and laboratory instructors observe north–south orientation and investigate magnetic fields through clear, supervised classroom experiments.

Product Description

The STEMAids Compass Needle on Stand provides a visible reference for introductory experiments in magnetism. When placed away from strong magnetic interference, the supported needle can rotate and settle approximately along the magnetic north–south direction.

The apparatus can also be positioned near a bar magnet, current-carrying conductor or compatible magnetic model to observe changes in needle orientation. The exact needle material, stand construction, pivot design, dimensions and colour coding must be confirmed from the current STEMAids technical specification.

Key Features

• Demonstrates magnetic direction: Shows how a freely moving magnetised needle aligns with the surrounding magnetic field.
• Supports field investigations: Responds to nearby magnetic sources during supervised experiments.
• Visible classroom format: The raised stand helps learners observe needle movement more clearly than a small enclosed compass.
• Hands-on learning: Connects magnetic-field diagrams with an observable physical response.
• Useful for comparison: Students can compare needle orientation at different positions around a magnet.
• Simple operation: The apparatus requires no electrical connection for basic magnetic-direction demonstrations.
• Reusable teaching aid: Suitable for repeated laboratory activities when the pivot and needle are handled carefully.

Technical Specifications

What’s Included in the Kit

• One magnetised compass needle
• One supporting stand and pivot assembly
• Direction markings or identification labels
• Protective storage cover or case
• Experiment instructions

Applications and Uses

• Demonstrating the approximate magnetic north–south direction.
• Observing the response of a compass needle near a bar magnet.
• Mapping magnetic-field direction at selected positions.
• Introducing magnetic poles and attraction or repulsion.
• Investigating the field around a current-carrying conductor with suitable apparatus.
• Supporting classroom demonstrations, practical assessments and science exhibitions.

How to Use the Compass Needle on Stand

1. Place the apparatus on a stable, level and non-magnetic surface.
2. Keep iron objects, magnets and powered electrical equipment away during the initial observation.
3. Allow the needle to rotate freely and wait until its oscillations decrease.
4. Record the direction in which the marked end of the needle settles.
5. Bring a bar magnet slowly toward the apparatus without touching the needle.
6. Observe and record how the needle direction changes.
7. Repeat the observation at different positions around the magnetic source.
8. Compare the results with a magnetic-field diagram.

Safety and handling: Do not bend, strike or manually force the needle. Keep strong magnets and electronic devices at a controlled distance unless they are part of the experiment.

Care & Maintenance

• Remove dust with a clean, soft brush or dry cloth.
• Protect the pivot from impact, moisture and contamination.
• Store the apparatus away from strong magnets that could alter needle magnetisation.
• Check that the needle rotates freely before each practical session.

Why Choose STEMAids

STEMAids supplies scientific instruments, experiment setups and educational models for practical science teaching. Buyers can review related physics laboratory products, educational science models, STEM learning kits and the broader scientific and educational product range. The company supports school, institutional and export enquiries. Procurement teams should request the current product image, dimensions and packing details before ordering.

Frequently Asked Questions

What is a Compass Needle on Stand used for?

It is used to demonstrate magnetic direction and show how a freely rotating magnetised needle aligns with a magnetic field.

Why does a compass needle point north and south?

A magnetised compass needle experiences torque in Earth’s magnetic field and settles approximately along the magnetic north–south direction.

Can it be used to map a magnetic field?

Yes. The apparatus can indicate field direction at selected points around a magnet, although several readings are needed to construct a field pattern.

Does the compass needle require a power supply?

No power supply is required for basic compass and permanent-magnet demonstrations.

What material is the needle made from?

The needle material and magnetic treatment are not publicly verified. Confirm these details from the current STEMAids specification.

Is the apparatus suitable for schools?

Yes. It is suitable for supervised school magnetism lessons, laboratory activities and introductory field-direction experiments.

Explore more physics laboratory apparatus from STEMAids for magnetism, electricity and field experiments.

Recommended product image ALT text: Compass Needle on Stand for demonstrating magnetic direction in a school physics laboratory.