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Ball And Ring, Demonstrating Thermal Expansion Chain
The Ball And Ring demonstrator is a unique product that showcases thermal expansion and chain reactions, helping students understand the concept of thermal expansion by demonstrating the expansion of the ball and ring when heated. The chain expansion is also demonstrated by the expansion of the chain that connects the ball and ring. This product is for educational purposes and can be used in classrooms, labs, or at home, providing an interactive and engaging way to learn about physics and STEM concepts.
Product Specifications
| Product Name | Ball And Ring |
| Demonstrates | Thermal Expansion, Chain Expansion |
| Materials | Brass (Ball and Ring), Steel (Chain) |
| Ball Diameter | 20 mm |
| Ring Inner Diameter | 30 mm |
| Weight | 185 gr |
| Packaging | Individual packaging |
Applications and Benefits
- For educational purposes, such as classrooms, labs, or at home, providing an interactive and engaging way to learn about physics and STEM concepts
- Helps students understand physics and STEM concepts, including thermal expansion, chain reactions, and heat transfer
- for science teachers, students studying thermal expansion, physics enthusiasts, STEM educators, science museums, science centers, and home-schooling parents
Key Features and Benefits
- Demonstrates thermal expansion and chain reactions, providing a unique and interactive way to learn about physics and STEM concepts
- Compact and easy to use, making it for classrooms, labs, or at home
- Made of durable materials, including brass and steel, ensuring longevity and reliability
Caution:
This product involves heat. Please follow safety instructions carefully and use with adult supervision.
Electronic Hand Tally Counter
Advantage of electronic durability combined with elegant classic design make this counter a natural best choice for those who are used to mechanical tally counters. Designed for slow count applications. Large and high contrast display makes it easy to read. The reset button is small and is slightly indented to avoid accidental reset.
Key Features:
- Measuring range up to 99999
- Fast reset-to-zero button
- Robust plastic housing
- Thumb ring
- Maximum Counting Rate 2/sec
- Unit size: 50 x 35 mm
- Imprint size: 30 mm
- Weight: 24 g
- Made of ABS plastic
- Compact design and portable, it comes with a stainless steel metal hoop for carrying or attaching to a key ring, perfectly fits in the palm of your hand.
- With a zero clearing switch for resets
- Mechanically jumps by every press, quick reaction; 4-digit display, Counts Range: 0 to 99999.
- Wide uses for tally counters, all kinds of data statistics such as class or meeting attendance, traffic flow, laboratory analysis count, crochet stitch counter and more; suitable for different occasions, home use, school, office, sporting activities etc.
- Each counter is Individually Boxed.
- BATTERY NOT INCLUDED.
- Minimum order quantity is 2. See additional Quantity Discounts:
| Material | ABS plastic |
| Color | Black/Yellow |
| Size | 50 x 35 mm |
| Weight | 24 g |
| Counting Range | 0 to 99999 |
| Maximum Counting Rate | 2/sec |
Caution: Keep away from water and fire. Avoid using in extreme temperatures.
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