These three main fossil fuels were formed from ancient plants and organisms over millions of years.
What are coal, oil, and natural gas?
Burning fossil fuels releases this greenhouse gas into the atmosphere.
What is carbon dioxide (CO₂)?
Energy from the sun is known as this.
What is solar energy?
Renewable energy is clean and healthy for the environment, and helps us rely less on this.
What is fossil fuels?
A microwave turns electrical energy into heat, light, and this additional form of energy.
What is sound energy?
This period, 360–286 million years ago, is when most fossil fuels began forming in Earth’s swamps and oceans.
What is the Carboniferous Period?
This harmful effect caused by CO₂ traps heat in Earth’s atmosphere.
What is the greenhouse effect?
_______ ________ use natural movement of air to make energy.
What is wind turbines?
Renewable energy will never run out because it can be ________ __________.
What is replaced naturally?
Cars powered by gasoline transform fossil fuel energy into this type of energy.
What is mechanical energy?
Coal formed from dead trees and plants buried under heat and pressure. Oil and gas formed from these tiny ______ _____.
What are ocean organisms (algae / plankton)?
This is one major reason burning fossil fuels damage human health.
What is air pollution?
This renewable source uses Earth’s internal heat.
What is geothermal energy?
Hydroelectric dams produce clean energy but can impact this natural feature.
What is river habitats?
Air conditioners transform eletrical energy into this energy to move air.
What is mechanical energy?
Fossil fuels have this major advantage, explaining why they are used so widely worldwide.
What is high energy density (they produce a lot of energy)?
Retrieving fossil fuels often requires big machinery that can harm ____ and _______.
What are plants and animals?
This renewable source uses flowing water to generate electricity.
What is hydroelectric power?
These renewable energy sources are affected by weather.
What are solar, wind, and hydro(electric)power?
The lighbulbs transforms electrical energy into these two forms of energy to light up our classrooms.
What are heat and light energy?
The process of ____________ under heat and pressure tranformed dead organisms into fossil fuels.
What is decomposition?
Climate change can change weather patterns around the world. Name one impact this can have on human communities.
What is causing droughts, floods, rising sea levels, or damage to homes and crops?
This renewable source uses living or once-living material such as plants and waste.
What is biomass?
Name at least two challenges of renewable energy as mentioned in your study guide.
What are some are affected by weather, energy storage is expensive, and some need large spaces outdoors?
What is it important for us to understand how much energy we use and where it comes from?
Any detailed responses with reasons related to what we have learned about renewable and nonrenewable energy will be accepted!