Question

energy
concentration game
directions
after playing several rounds of concentration,
define the following terms & answer the questions below
chemical energy -
elastic potential energy -
electrical energy -
electromagnetic energy -
energy transformation -
gravitational potential energy -
kinetic energy -
law of conservation of energy -
mechanical energy -
nuclear energy -
potential energy -
thermal energy -
1 which forms of energy are potential energy?
2 which forms of energy are kinetic energy?
3 identify the energy transformations that take place when you turn on a flashlight.
© science chick 2015

Explanation:

To answer these questions, we use concepts from Physics (a subfield of Natural Science) related to energy:

Definitions:

• Chemical Energy: Energy stored in chemical bonds (e.g., in food, fuel).
• Elastic Potential Energy: Energy stored in stretched/compressed elastic materials (e.g., a stretched spring).
• Electrical Energy: Energy from moving electric charges (e.g., in a circuit).
• Electromagnetic Energy: Energy carried by electromagnetic waves (e.g., light, radio waves).
• Energy Transformation: Process of energy changing from one form to another (e.g., chemical to thermal in burning).
• Gravitational Potential Energy: Energy stored due to an object’s height (e.g., a book on a shelf).
• Kinetic Energy: Energy of motion (e.g., a moving car).
• Law of Conservation of Energy: Energy cannot be created or destroyed, only transformed/transferred.
• Mechanical Energy: Sum of kinetic and potential energy in a system (e.g., a pendulum).
• Nuclear Energy: Energy stored in atomic nuclei (released in fission/fusion).
• Potential Energy: Stored energy (due to position, shape, or state).
• Thermal Energy: Energy related to the temperature of a substance (heat energy).

Question 1: Potential Energy Forms

Potential energy is stored energy. Forms include: Chemical Energy, Elastic Potential Energy, Gravitational Potential Energy, Nuclear Energy (stored in nuclei), and the general “Potential Energy” (as a category).

Question 2: Kinetic Energy Forms

Kinetic energy is energy of motion. Forms include: Electrical Energy (moving charges), Electromagnetic Energy (moving waves), Kinetic Energy (direct motion), Thermal Energy (motion of particles), and Mechanical Energy (if the object is moving, as it includes kinetic energy).

Question 3: Flashlight Energy Transformations

1. Chemical Energy (stored in the battery’s chemicals) →
2. Electrical Energy (flow of electrons in the circuit) →
3. Electromagnetic Energy (Light) (and some Thermal Energy, due to resistance)

Answer:

Definitions (Sample Answers):

• Chemical Energy: Energy stored in chemical bonds.
• Elastic Potential Energy: Energy in stretched/compressed elastic materials.
• Electrical Energy: Energy from moving electric charges.
• Electromagnetic Energy: Energy in electromagnetic waves (e.g., light).
• Energy Transformation: Changing energy from one form to another.
• Gravitational Potential Energy: Energy from an object’s height.
• Kinetic Energy: Energy of a moving object.
• Law of Conservation of Energy: Energy is conserved (not created/destroyed).
• Mechanical Energy: Sum of kinetic + potential energy.
• Nuclear Energy: Energy in atomic nuclei.
• Potential Energy: Stored energy (position/shape/state).
• Thermal Energy: Energy from particle motion (heat).

1. Potential Energy Forms:

Chemical Energy, Elastic Potential Energy, Gravitational Potential Energy, Nuclear Energy, Potential Energy.

2. Kinetic Energy Forms:

Electrical Energy, Electromagnetic Energy, Kinetic Energy, Thermal Energy, Mechanical Energy (when moving).

3. Flashlight Transformations:

Chemical Energy → Electrical Energy → Electromagnetic Energy (Light)