Archimedes Principle Kit

The Archimedes Principle Kit is a physics laboratory apparatus used to verify that the buoyant force on an immersed object equals the weight of the fluid it displaces. It is intended for supervised school, college and STEM laboratories, helping learners measure apparent weight loss, displaced-liquid volume and upthrust through a direct experiment.

Product Description

The STEMAids Archimedes Principle Kit provides the components required to compare an object’s weight in air with its apparent weight when immersed in water. Displaced water is collected from an overflow vessel and measured or weighed. The two results can then be compared to verify Archimedes’ principle.

The activity connects fluid pressure, buoyancy, displacement, density and flotation. Reliable results require complete immersion without contact with the vessel, removal of trapped air bubbles and collection of all overflowing water. Explore related physics laboratory products and educational science models.

Key Features

• Direct principle verification: Compares apparent weight loss with the weight of displaced liquid.
• Visible fluid displacement: Uses an overflow arrangement to collect water displaced by the immersed object.
• Quantitative experiment: Supports measurements of force, mass, volume and density.
• Hands-on buoyancy study: Helps learners distinguish actual weight, apparent weight and upthrust.
• Repeatable procedure: Allows trials with compatible objects or liquids where the supplied configuration permits.
• Curriculum relevance: Connects Archimedes’ principle with floating, sinking and density measurement.
• Transparent accuracy limits: Water loss, trapped bubbles, parallax and vessel contact can affect results.

Technical Specifications

What’s Included in the Kit

• Overflow vessel or Eureka can
• Solid immersion object 
• Spring balance or force meter 
• Support stand and clamp 
• Collection vessel or measuring cylinder 
• Suspension thread or hook
• Experiment instructions 

Applications / Uses

• Verifying Archimedes’ principle experimentally.
• Measuring apparent loss of weight in a liquid.
• Determining buoyant force and displaced-fluid weight.
• Explaining why objects float, sink or remain suspended.
• Estimating the volume or density of an irregular solid.
• Teaching upthrust, fluid pressure and experimental uncertainty.

How to Use the Archimedes Principle Kit

1. Place the overflow vessel on a stable, level surface.
2. Fill it until water stops dripping from the spout.
3. Measure the object’s weight in air using the spring balance.
4. Place an empty collection vessel below the overflow spout.
5. Lower the object until it is completely immersed without touching the vessel.
6. Record its apparent weight in water.
7. Collect and measure or weigh all displaced water.
8. Compare the apparent weight loss with the displaced water’s weight.

Safety and handling: Secure the support stand and lower the object slowly. Wipe up spills immediately, keep water away from electrical equipment and do not overload the measuring instrument.

Care & Maintenance

• Drain, rinse and dry all vessels after use.
• Check the spring balance zero and suspension hook before each experiment.
• Keep the overflow spout clear of deposits or obstruction.
• Store the solid object and small accessories together in a dry location.

Why Choose STEMAids

STEMAids develops educational science models, laboratory apparatus, STEM kits and teaching-learning resources for institutional use. The company’s public website presents dedicated product ranges for physics laboratories, educational science models and hands-on STEM learning. STEMAids also supports customised and bulk institutional requirements for educational buyers. Browse related STEM learning kits and general laboratory products.

Frequently Asked Questions

What is an Archimedes Principle Kit used for?

It is used to verify that the buoyant force on an immersed object equals the weight of the fluid displaced by that object.

Why does an object appear lighter in water?

Water exerts an upward buoyant force. The apparent loss of weight equals this upthrust.

What does the overflow vessel measure?

It collects the liquid displaced by the immersed object so its volume or weight can be measured.

Can the kit determine the density of an irregular object?

Yes. The object’s mass and displaced-water volume can be used to calculate its average density.

Must the object be completely submerged?

Complete immersion is normally used when comparing the object’s full volume with the displaced-liquid volume. It must not touch the vessel.

Is a spring balance included?

The supplied measuring instrument was not verified. Confirm its inclusion, range and graduation before ordering.

Request the confirmed vessel capacities, force range and component list from STEMAids, then browse the Physics Lab Products category.