What are some examples of potential energy that a 4th grader needs to know?

Here are some examples of potential energy that a 4th grader should know:

1. Gravitational Potential Energy: This is the potential energy stored in an object due to its height above the ground. For example, a diver sitting on a diving board before jumping into the water has gravitational potential energy.

2. Elastic Potential Energy: This is the potential energy stored in objects that can be stretched or compressed. For instance, a stretched rubber band, a compressed spring, or a bow string pulled back are examples of elastic potential energy.

3. Chemical Potential Energy: This is the potential energy stored in chemicals that can be released during a chemical reaction. Examples of this include a battery storing energy, food providing energy for the body, or gasoline that powers a car.

4. Nuclear Potential Energy: This is the potential energy stored in the nucleus of an atom. This energy can be released during nuclear reactions. An example of this is the energy produced in a nuclear power plant.

5. Magnetic Potential Energy: This is the potential energy stored in magnets due to their position or orientation. For instance, two magnets being held close to each other have potential energy, which can be released when they attract or repel.

It is important to use age-appropriate explanations and examples while teaching potential energy to 4th graders, ensuring that they understand the concepts in a simplified manner.