Lesson 1
certain minerals need to be ___________ from underground
What is mined?
type of energy source that was used long ago and we still use it today
What is burning wood?
something found in nature that people use
What are natural resources?
energy obtained from flowing water
What is hydroelectric energy?
these are used to collect the sun's energy
What are solar panels?
_____ and __________ are natural resources that we need to survive
What are air and water?
type of resource that we use today to power cars, planes, and produce electricity
What are fossil fuels?
material that is made by nature as quickly as people use it
What is a renewable resource?
flammable gas used as fuel
What is natural gas?
wind and water can power __________ to produce electricity
What are turbines?
resources can become ______ as the population grows and we use them more
What is scarce?
these help deliver electricity to places where poeple need it
What are wires?
natural substances made of one or more minerals
What are rocks?
presence of harmful substances in the environment
What is pollution?
name 2 examples of renewable resources and nonrenewable resources
renewable: water, wind, sun (solar power), land
nonrenewable: all fossil fuels: coal, petroleum (oil), and natural gas; rocks and minerals
forests are an important part of land resources that help control the amount of ___________ _________ in the air
What is carbon dioxide?
original souce of almost all energy
What is the sun?
resources that are not made fast enough to replace; resources in limited supply
What are nonrenewable resources?
not wasting; getting as much use out of something as you can by reusing, reducing, and recycling
What is efficient?
3 types of fossil fuels
What are oil, coal, and natural gas?
name 3 uses of water resources
-cleaning
-bathing
-swimming
-growing crops
-cooking
-raising animals
fossil fuels form underground from the remains of _________ and _________ that died long ago
What are plants and animals?
naturally occuring, nonliving solids in Earth's crust
What are minerals?
protecting and preserving natural resources and the environment
What is conservation?
name 2 problems caused by mining and drilling
-loss of habitats
-harms organisms