Product Name: Lash Card Car

Product Code: C303 Tie Line Truck

Package: Packaging Bag

Product size: 17*10*13 (CM)

Weight per unit: 0.06 grams (CM)

Packing Quantity: 500 (PCS)

Size: 60*50*55 (CM)

Lash Card Car Lesson Plan

（Knowledge point: Understanding elastic force; elastic potential energy）

1. Teaching Objectives

"三维目标"可以翻译为 "Three-dimensional objectives".

【Knowledge and Ability】Through the investigation of the wire-pulling cartoon car experiment, understand the structure and principle of the wire-pulling cartoon car.

【Process and Method】Cultivate children's ability to observe, think, create, cooperate, and practice skills.

【Emotion, Attitude, and Values】Through the process of hands-on practical operation, let the children experience the fun of popular science and fall in love with science.

Second, the teaching key points and difficulties

【Teaching Focus】

To enable students to understand the principle of the string-pulling car experiment and thus inspire children's spirit of exploration in science.

【教学难点】

Master the principle of elastic potential energy.

Section Three: Teaching Methods:

Question-based method, demonstration method, experimental method, interactive teaching method.

Teaching Preparation:

Experimental equipment: a science kit with a string-pulling car.PPTA related courseware package.

Teaching Process:

Classroom Discipline and Rules Emphasis

Teacher: Good morning, children.~Today is another exciting science experiment class. Guess what we're going to do today?

Create robots! Conduct chemical experiments!

Teacher: You all guessed what we will cover in science class later. Today, we are going to do an interesting innovative experiment.

Teacher: However, before class starts, the teacher would like to remind you of the safety precautions for the experiment.

Firstly, before the experiment class, you should carefully review the material, understand the purpose, principles, experimental steps, and precautions of the experiment.

You must also follow the teacher's arrangements and not take any actions on your own.

Secondly, we must wear clean clothes when entering the laboratory; it is not allowed to enter the laboratory with slippers or vests. Without the permission of the teacher, no food is allowed in the laboratory. Students cannot make noise or violate discipline in class; they cannot fall asleep during class. They should be willing to cooperate with classmates to maintain the cleanliness of the desk, and they should complete the experimental operations on time.

Thirdly, in the experiment, you must follow the teacher's guidance, operate carefully, observe carefully, record the experimental data and results honestly, actively analyze and think about the test results, and do not copy each other's experimental data. These are the requirements for you in this science class. Can you do it?

Yes, I can!

Teacher: It seems like you don't have much confidence! Tell me loudly, can you do it?

Life: Can (loudly)

The operation of a string-pulled cart is based on the principle of elastic potential energy. Inside the string-pulled cart, there is a gear transmission device. When we pull the rope, the rope generates an elastic potential energy. When we let go of the rope, the elastic potential energy is converted into kinetic energy, which drives the wheels to rotate, thus making the string-pulled cart move!