Product Name: KX2126 Beam Scale
Product code: KX2126 beam scale
Dimensions: Approx. Length 300mm * Width 113mm * Height 15mm
Weight: About 25g
Material: Wooden
Color: Mixed
Battery: No
Packing: 500 pcs
Box Specification: 600*450*550mm

Preface:

In today's society, where children's education is increasingly valued, scientific enlightenment education has gradually become an important topic in the field of education, which is pursued and explored. More and more teachers and parents are beginning to pay attention to cultivating children's scientific literacy from an early age, so that children can develop good personalities and behavioral habits from the beginning. Parent-child interactive crafts can improve the quality of parent-child companionship, improve the relationship between parents and children, and we spend time with our children, without mobile phones, iPads, or televisions, only joy, interaction, and communication. It can cultivate the ability of children to solve problems by themselves. When children encounter problems, they should first see and experience the solution themselves, because parents and teachers solve problems in the process of doing crafts. It can develop children's imagination. In children's world, cars can fly in the sky, and the sun can be green. Playing with DIY crafts can cultivate children's practical ability by using different tools, which fully exercises children's little hands. Brushes, paints, scissors, hot-melt guns, glue"Children are brave to try any tools and to some extent, they are developing different skills. Improving children's self-confidence in the process of handcrafts, we try everything possible together, experience many failures, but we always succeed, which to some extent enhances their self-confidence. Cultivating children's concentration when children explore various tools and handcrafts, they are very focused, and if there is no external disturbance, they can continue to explore.

Experiment Objective: Through the fun of playing games, let children learn more about scientific knowledge and their own ability to practice. Understand the principle of lever.

Principle Application: A simple scale that uses the principle of lever to measure mass is specifically the principle of moment balance. The pole scale is divided into two sections at each connection of the handle, and the support point of the lever can be considered as the lifting point. When the pole scale is balanced at both ends, the moments of the force exerted by the weight on the pole and the object on the plate are equal. Moment = force * distance. The weight of the weight on the pole is known, and the force distance (the vertical distance from the weight to the lifting point and the object to the lifting point) can be directly observed.

Experimental Cognition: When a lever is subject to both a force and an opposing force, and the product of the force times the force arm equals the product of the resistance times the resistance arm, the lever is in a state of equilibrium. In our actual lives, there are many places that apply the principle of lever balance, such as trash cans and nail clippers, etc. Since ancient times, there are numerous examples of people applying the principle of levers.

Knowledge Expansion: A certain scale can weigh up to 5 kilograms. Can it be modified to increase its measuring range? According to the principle of lever balance, changing the position of the pivot (adding another rope near the hook) allows for new scale markings to be etched. Most scales are equipped with two pull-cords and two sets of scale markings, significantly increasing their measuring range.

Knowledge Extension: Little kids can make a simple lever scale by looking for materials around them, for example, by replacing the weight with a larger one...

Safety Warning:

All the accessories in this product are specially designed for student experiments. Please use them under the supervision of teachers and parents to ensure safety! Do not consume any of the products! They are not suitable for children under three years of age. Do not approach fire sources. Before assembling any batteries, please check if the circuit is clear, all parts of the circuit are complete, and all contacts are good. The + on the battery is the positive pole, and - is the negative pole. Be careful during the assembly process, and if glue is used, do not get it in your eyes or on your skin.