The pictures show a forest before and after deforestation (a process where several trees are cut down. Which of the following best explains why trees are called renewable resources?

If a tree is cut down, a new tree can be planted in its placed.

Only humans use trees, so tree populations will never fall below the number that are needed.

If a tree is cut down, the animals that depended on the tree will help the tree grow back.

Only paper is made from trees, so the tree population will never run out.

Which of these is a consequence of deforestation?

decreased biodiversity and soil erosion

increased oxygen in the atmosphere

decreased availability of sunlight and vitamin D

increased annual precipitation and acid rain

A new type of gasoline gives off excessive amounts of smoke. What should be studied before this type of fuel can be determined to be safe for the environment?

the effect the smoke will have on the air quality

if the fuel will be widely accepted by consumers

the time it takes to produce the fuel

A zoologist released a study that showed the populations of some bird species have decreased in number by as much as 50% since 1966, The study found that food and water shortages were not the cause for the decrease in bird population. What other factor might have contributed to this decline?

destruction of natural habitats

overproduction of bird offspring

An urban sprawl is when natural and forest areas are developed with buildings and roads. How has urban sprawl affected farming?

It decreases the amount of farmland that is available for growing crops.

It increases the amount of available farmland needed for growing crops.

It has allowed for more nutrients to be available for crops.

It allows for areas of rainwater to collect that can be used to water crops.

Often times a developer will create a green space after he or she has developed a subdivision. A green space is an area with trees and grass to produce an alternative to the trees that were removed. What happens to the birds if the developers do not create the green space?

decrease in the number of predators

How can the use of fertilizers to improve lawns and gardens negatively impact the environment?

It can be carried into local water supplies.

It can cause atmospheric pollution.

It can cause mutations in plants.

It cannot be absorbed by the roots.

An increase in the amount of nutrients in water is called eutrophication. The extra nutrients causes the fast growth of algae on the water's surface. What causes this overgrowth of algae?

wastewater and fertilizer runoff getting into waterways

gasses formed by burning fossil fuels mix with the water in the air

increase production of acid rain

How does the practice of fertilization cause pollution?

It pollutes water when runoff carries chemicals from the soil to local streams and lakes.

It pollutes near by soil when animals track mud from one place to another.

It causes polluted drinking water in the homes when chemicals seep into underground pipes.

It pollutes the air above the location when chemicals break down and produce gases.

The clearing of rain forests for farming use has led to decrease in biodiversity in many areas. What is one potential consequence of deforestation?

the loss of plants with potential medicinal uses

an increase in the amount of atmospheric oxygen

The Everglades are a large wetland preserve in southern Florida. Over the past 50 years, people have redirected much of the water in the Everglades to support large farms. What negative result would you expect that this had on the Everglades area?

It reduced the number and types of plants and animals.

It decreased the amount of land on which people could live.

It lowered the number of disease- causing mosquitos in the area.

It prepared a once useless area to be used as farmland.

Carbon dioxide is important in our atmosphere because it is required for plants to survive and traps some heat, keeping the Earth warm. How can human produced carbon dioxide be a problem?

leads to higher global temperatures

causes uncontrolled photosynthesis

removes carbon dioxide from the oceans

disrupts the natural cycling of other greenhouse gases

A farmer thinks that type of soil and amount of water affect the growth of his carrot plants, and he wants to find out if he is right. The farmer first tests if the type of soil, and he places 10 carrot plants in each type of soil. He uses the same amount of water for all the plants. Why is it important to use the same amount of water for all of the plants.

By using the same amount of water, the farmer can learn about the effect of the types of soil.

It is not important to use the amount of water because the farmer is not testing the effect of the amount of water.

By using the same amount of water, the farmer can learn about both the effect of the amount of water and the effect of the type of soil.

By using the same amount of water, the farmer can learn about the effect of the amount water.

Natural Resources and Human Impact

Authored by Vanesis Yost

Science

6th Grade

NGSS covered

Used 161+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following natural resources are nonrenewable?

water

natural gas

animals

wind

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fossil fuels are nonrenewable because

they are used to produce heat

they can be found underground

they take a long time to form

they can be replaced easily

MULTIPLE CHOICE QUESTION

1 min • 1 pt

These are examples of

renewable resources

fossil fuels

nonrenewable resources

alternative energy

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energy resources that are not easily replenished are called

renewable resources

nonrenewable resources

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hydroelectric plants perform which of type of energy conversion?

Water to Electricity

Wind to Electricity

Electricity to water

Wind to chemical

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a renewable natural resource?

gasoline

nuclear

crops

electricity

Which are ways we use fossil fuels?

eating and drinking

arts and crafts

paper building

cars and heat

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Natural Resources and Human Impact

Which of the following natural resources are nonrenewable?

Fossil fuels are nonrenewable because

These are examples of

Energy resources that are not easily replenished are called

Hydroelectric plants perform which of type of energy conversion?

Which of the following is a renewable natural resource?

Which are ways we use fossil fuels?

Geothermal energy uses heat from ____ to produce electricity.

What type of power plant uses scraps from farming and waste products to generate electricity?

Which renewable resource gets its direct energy from the sun?

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