Natural Resources

Name 6 types of alternative energy sources.

Nuclear, biomass,solar, wind, water ,and geothermal energy.

What was one of Americas most abundant birds that became extinct in 1914?

Passenger pigeons

What was the world elephant population drop to in Africa?

4.5 million in 1970 to less than 550,000 in 1989.

What are the advantage(s) and disadvantage(s) of Nuclear energy?

Advantage(s): Small amounts of fuel are needed to produce large of power. Disadvantage(s): Threat of nuclear accident difficulty in safely disposing waste

What are the advantage(s) and disadvantage(s) of Solar energy?

Advantage(s): Solar energy is inexhaustible and clean Disadvantage(s): Solar devices are expensive to buy and install.

what are the advantage(s) and disadvantage(s) of geothermal energy.

Advantage(s): geothermal energy occurs naturally in some areas. Disadvantage(s) limited availability, developing geothermal energy creates land, air, noise, and water pollution.

What are the advantage(s) and disadvantage(s) of water energy?

Advantage(s): water energy is clean and available in mountainous areas disadvantage(s): many rivers are not big enough, constructing dams are expensive, dams effect the ecosystem, dams alter the appearance and usability of the land.

What is the main program that the zoo of San Diego and Washington D.C have?

Breeding Programs

Name 3 ways alter or destroy the habitat of animals.

Farming, logging, and industrialization

How do we create Habitat Destruction?

When we alter and change the environment, we alter and or destroy the entire ecosystem.

What are the advantage(s) and disadvantage(s) of wind energy?

advantage(s):Wind energy is inexhaustible and clean. Disadvantage(s): sufficient wind is not available in all areas. Changes the appearance of the land.

What are the advantage(s) and disadvantages(s) of Biomass energy?

advantage: Organic waste is available and inexpensive. Disadvantage: Plants that converts organic waste to energy are expensive. production produces unpleasant odors

What does this mixture of sulfuric acid and sulfur dioxide form?

as acid rain

Name 6 extinct species?

black ferret, the timber wolf, the whooping crane, the wood stork, the grizzly bird, and the bald eagle.

how is land pollution caused?

by dumping solid waste on the land

how is air pollution caused?

by harmful substances present in the air.

what are ways that you can help reduce water pollution?

by not throwing trash in rivers and lakes and by not dumping chemicals down your kitchen drain.

Give some examples of Renewable Resources.

soil, water, forests, and food.

give some examples of Natural resources.

streams, soil, forests, copper, oil, and coal.

what are some ways to conserve water at your home?

take shorter showers and not use water to wash your sidewalk.

what happened in the late 1960s?

the buildup of pesticides in the environment was linked to a drop in the population of many fish-eating birds.

what creates smog?

the burning of fossil fuels in factories and automobiles.

name 3 animals that are now extinct.

the dodo bird, the quagga, and the Carolina parakeet.

Describe solar energy.

the energy is produced through the sun and it is used to heat and cool buildings, and produces energy.

What is pollution?

the introduction of unwanted material into the environment.

What is conservation?

the preservation and wise use of natural resources.

What is sewage?

the waste water from sinks, showers, and toilets.

what are two reason why fossil fuels are becoming less desirable?

they are nonrenewable and scientist are concerned about the air pollution and carbon dioxide it produces.

What can Nuclear energy be used for?

to make steam which turns on generators

how do farmers pollute?

using to much pesticides and fertilizers.

What does extinct mean?

when a species dies out.

how is Nuclear energy created?

when atoms split apart by fission or join together with fusion

How is sulfuric acid formed?

when sulfur dioxide combines with moisture in the air.

Describe geothermal energy.

energy is produce from heat inside of the earth, and comes from geysers and hot springs.

Describe water energy.

energy is produced by moving water. reservoirs are most common source: water falls used in some areas.

Describe wind energy?

energy is produced by wind and is used to spin windmills that generate electricity?.

how did the blue pike become extinct?

from overfishing an pollution

how do fossil fuels form?

from remains of living organisms, mostly plants and animals that died in the flood.

what is crop rotation?

growing different plants in a given area each season.

what are some jobs that forests provide?

habitats for many organisms, their roots and leaves conserve water and soil, and recycle the air, and they supply products such as lumber and paper.

what is strip plowing?

halts erosion by using strips of cover crops that cover the soil completely.

what does Foxglove help treat?

heart disease

what does the rosy periwinkle and Pacific yew tree help treat?

helps provide cancer treatments.

when was DDT banned in the U.S?

in 1972.

What did DDT cause?

it caused birds to produce eggs with thin shells that broke before hatching.

what is the cause of alternative energy?

it causes less pollution

describe how overhunting is another reason for extinction of animals.

it decreases animal populations and makes fewer breeding animals exist.

what does water sewage create?

it decreases oxygen levels in rivers and lakes that can cause diseases

how does pollution cause populations to decrease or become instinct?

it introduces toxic substances that indirectly affect the health of the individuals or indirectly affect them by contaminating their food supply.

What are the effects of acid rain?

it pollutes rivers, streams, forest, crops, and corrodes metal and other building materials.

What has water pollution cause?

it reduces the worlds supply of clean water.

What did scientist find out about DDT?

it was a common pesticide, accumulated in the fish that were eaten by bald eagles and other birds.

what is 3% of the earths make up?

lakes, streams,and glaciers.

what is a watershed

land that supplies water to rivers and lakes.

what do industries pollute water with?

lead, arsenic, and mercury.

what is a natural resource?

materials from Earth that humans use.

What is hazardous waste?

materials that are poisonous burn easily, or react other substances.

give some examples of Nonrenewable resources.

minerals, natural gas, and coal.

what is 97% of the earths make up?

oceans

What happens to plants in a watershed?

plants hold soil in place and allow water to soak into the ground.

How is Biomass energy created?

produced from animal/plant waste.

What is one thing that Fertilizers do to the soil?

replenishes nutrients in the soil that have been used up by plants?

Name 6 things you can do to help the environment?

-Don't litter -Turn of electrical appliances when not being used -obey hunting and fishing laws -avoid using products -practice a vegetarian diet -avoid using products that rely on animals -recycle your products -limit your water

What two organizations are sponsoring the research on plant compounds?

New York Botanical garden Pfizer Inc.

describe sulfur dioxide?

a gas give off as coal burns.

what is contour plowing?

a method of plowing at right angles to the slop of the land that prevents water from eroding soil.

What is recycling?

a process in which waste material is used to make new products.