Earth's Natural Resources
Something found in nature that humans use
Natural resource
______________ is a flammable gas used to generate electricity in homes for heating and cooking.
Natural gas
____________ is the presence of substances in the environment that are harmful to humans and other organisms.
Pollution
_____________ is the practice of protecting the environment and using resources carefully.
Conservation
_________ means to put into groups.
Classify
_____________ are naturally occurring, nonliving solids in Earth's crust.
Minerals
The energy that comes from the movement of water is called __________________.
Hydroelectric energy
What is one way you can conserve energy at home?
Turn off water when brushing your teeth, take shorter showers, turn the lights off when you aren't in the room, unplug chargers that aren't being used
Riding your bike to school instead of riding in a car is an example of (reduce/reuse/recycle)?
Reduce
________ are natural substances made up of one or more minerals.
Rocks
What is the difference between renewable and nonrenewable resources?
Renewable- a material that is made by nature at least as quickly as people use it
Nonrenewable- a resource that is not made fast enough to replace what is used
Name 3 natural resources that are transformed into electrical energy.
water, wind, coal, solar
A (negative / positive) impact of a dam is that it generates electricity without the pollution associated with burning fossil fuels. A (negative /positive) impact is that the dam blocks the natural flow of water and alters the environment for plants and animals.
positive; negative
Using cloth grocery bags instead of paper or plastic is an example of (reduce/reuse/recycle)?
Reuse
Turbines use energy from ______
Wind
Name 2 renewable resources and 2 nonrenewable resources.
Renewable- water, plants, sun, wind, solar, geothermal
Nonrenewable- coal, soil, natural gas, nuclear energy, petroleum, gold, fossil fuels
The Earth system that is directly changed by harmful gases in the air is the ____________________, but the ____________________ is also affected by hazardous air quality.
atmosphere; biosphere
What are 2 ways we can help conserve energy at school?
Turn off lights when we aren't in the room.
Turn off the smartboard when we aren't using it.
Unplugging chargers/ cords that aren't being used.
Keeping windows closed when the heat/AC are on.
Buying an outdoor chair made of reused plastic is an example of (reduce/reuse/recycle)?
Recycle
What is geothermal energy?
Underground and hot water used as a source of energy
Why are solar panels considered renewable?
Since geothermal energy is always available, why don't we get all our energy from this source?
Digging and mining is expensive. There are cheaper options available.
The biosphere is made up of ____________
The hydrosphere is made up of ____________
The atmosphere is made up of ______________
The geosphere is made up of ________________
all living things
all the water
Gasses
rocks, minerals, soil, Earth's crust
For each of the examples below, tell whether it has a positive or negative effect on the environment:
people using solar-powered lights
factories polluting the air
schools buying products made of recycled materials
positive
negative
positive
Carlos has made a list of renewable natural resources. Which two resources do not belong on his list?
A. oil
B. sunlight
C. coal
D. wind
A. oil
C. coal