ENERGY and RESOURCES

What is energy? Energy is in everything. Energy is what helps us to do everything from riding a bike or baking cookies to brushing our teeth at night. Energy can be stored (potential) or it can be working (kinetic) There are many forms of energy, and energy is changed between those forms to help us in different ways.

Types of Energy MRSCHEN Just remember MRS CHEN . . . Mechanical Radiant (light) Sound Chemical (batteries, food) Heat Electrical Nuclear MRSCHEN And a few others. . . Elastic Magnetic

Converting Energy Most energy is converted, or changed, from one form into another. Here are some examples of energy conversions: Usage Original Form Converted Explanation Lamp Electric Energy Radiant Electricity turns into radiant (light) energy when the filament in a light bulb lights up.

Explanation Usage Original Form Converted Solar-powered Calculator Radiant Energy Electrical Sunlight hits a solar cell and converts the energy into electrical, powering a calculator Electric Motor (fan) Mechanical When plugged in to the wall, the electrical energy powers the motor, making it spin (mechanical)

NONRENEWABLE AND RENEWABLE RESOURCES

NONRENEWABLE RESOURCES A nonrenewable resource is a natural resource that cannot be re-made or re-grown at a scale comparable to its consumption.

Nuclear fission uses uranium to create energy. NUCLEAR ENERGY Nuclear fission uses uranium to create energy. Nuclear energy is a nonrenewable resource because once the uranium is used, it is gone!

COAL, PETROLEUM, AND GAS Coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. These are called fossil fuels.

HOW IS COAL MADE ???

Summarize . . .

HOW ARE OIL AND GAS MADE ???

Summarize . . .

WHAT WAS THE DIFFERENCE BETWEEN COAL AND OIL/GAS?

Similarities: Differences:

RENEWABLE RESOURCES Renewable resources are natural resources that can be replenished in a short period of time. ● Solar ● Geothermal ● Wind ● Biomass ● Water

SOLAR Energy from the sun as solar radiation. Why is energy from the sun renewable?

Energy from Earth’s heat. GEOTHERMAL Energy from Earth’s heat. Source of heat is 20% from the formation of the planet and 80% from the radioactive decay of minerals.

Huge wind turbines move and create mechanical energy. Energy from the wind. Huge wind turbines move and create mechanical energy.

Energy from burning organic or living matter. BIOMASS Energy from burning organic or living matter. Wood Corn Garbage Waste

WATER or HYDROELECTRIC Energy from the flow of water. Water turns huge turbines and create electricity.

What are the differences between nonrenewable and renewable resources? SUMMARY What are the differences between nonrenewable and renewable resources?