Question 1

Deforestation affects both people and animals. Which DOES NOT produce a harmful effect on cutting trees?

Accepted Answer

It creates a community for humans and livestock.

Answer

It causes a rapid change in temperature.

Answer

It causes soil erosion.

Answer

It affects the quality of air that we breathe.

Question 2

Karen’s mother is cooking her favorite dish. As she cooks, she cuts, chops, grinds the different ingredients. Which changes in the materials does not have a harmful effect on the environment?

Accepted Answer

Pounding garlic when cooking.

Answer

Using detergents in washing dishes and other utensils.

Answer

Throwing vegetable peelings in the canal.

Answer

Throwing waste materials in the river.

Question 3

Maintaining a clean and safe environment helps keep diseases away and foster the growth and development of an individual. Which one does not produce a clean and safe environment?

Accepted Answer

Do not join a Community Cleanliness Drive.

Answer

Segregate waste at home in three separate bins.

Answer

Be eco-friendly by using bags that can be recycled such as paper or jute bags instead of plastic.

Answer

Be eco-friendly by using bags that can be recycled such as paper or jute bags instead of plastic.

Question 4

Human activities negatively impact the environment in many ways. Which one produces a negative impact on the environment?

Accepted Answer

Burning garbage such as plastic, rubber, and other wastes.

Answer

Go paperless when possible.

Answer

Use recycled products.

Answer

Recycle if you cannot go paperless.

Question 5

Environmental impacts are changes in the natural environment resulting directly from an activity that can have adverse effects on the air, land, and water. Which one does not produce a harmful effect on the environment?

Accepted Answer

Composting decaying materials.

Answer

Throwing away garbage in the river.

Answer

Burning dry leaves

Answer

Dumping trash in the backyard

Question 6

Recycling is the process of gathering and processing materials that would be thrown away as trash and turning them into new products. Which of the following produces a harmful effect on the environment?

Accepted Answer

Using pesticides in killing insects.

Answer

Using both sides of the bond paper when writing.

Answer

Using old newspapers in wrapping gifts.

Answer

Using an eco-bag when buying groceries.

Question 7

Recycling and reusing materials are helpful to us and our environment. Which of the following changes in the materials is useful for the environment?

Accepted Answer

Using eco-bags when shopping.

Answer

Throwing hospital wastes in the river.

Answer

Throwing garbage in the canal.

Answer

Using detergents in washing clothes in the river.

Question 8

Some human activities have devastating consequences on the environment while others have the sole purpose of improving or restoring the environment. Which of the following changes have useful effects on the environment?

Accepted Answer

Composting and recycling of materials.

Answer

Improper disposal of garbage, harmful chemicals, and human waste can cause changes. It can pollute air, land, and water.

Answer

Smoke from the burning of oil, coal, and that wood causes air pollution.

Answer

Pollution and destruction of habitat and loss of lives.

Question 9

Changes in materials occur in the environment. Which one gives a useful effect?

Accepted Answer

Composting decaying materials to produce organic fertilizer.

Answer

Leaving food overnight on the table that starts to spoil.

Answer

Burning a piece of paper to produce ash and smoke.

Answer

Burning tires that give off a foul odor.

Question 10

Different materials undergo different changes. Which one produces a harmful effect on the environment?

Accepted Answer

Burning tires that give off a foul odor.

Answer

Pressing garlic before cooking.

Answer

Cutting colorful papers to produce beautiful art displays.

Answer

Composting decaying materials to produce organic fertilizer.

Question 11

A better way to prevent the negative effects on our environment is to stop doing some harmful activities. How can we prevent the harmful effects of the changes in the materials on the environment?

Accepted Answer

Set up a compost pile for yard trimmings.

Answer

Do not buy items in refillable containers.

Answer

Immediately throw recycled materials.

Answer

Avoid donating or selling re-usable items

Question 12

What benefits do we get from a clean environment?

Accepted Answer

It protects us from diseases, infections, water borne diseases and pollution.

Answer

It increases the global burden of disease from respiratory infections, heart disease, and lung cancer.

Answer

It increases the number of diseases infections and pollution.

Answer

It makes our immune system weak.

Question 13

Papers, pens, and other school materials are manufactured and made in factories. Which of the following does not produce a harmful effect?

Accepted Answer

Factories that provide new products for consumers.

Answer

Factories producing smoke.

Answer

Factories that release waste materials in bodies of water.

Answer

Factories that release by-products that may kill organisms.

Question 14

Pollution prevention is a global concern because of its harmful effects on people's health and the environment. What should we practice to prevent environmental pollution?

Accepted Answer

All of the above

Answer

Re-use

Answer

Recycle

Answer

Reduce

Question 15

There are many changes that materials undergo which may be useful to the environment. Which of the following changes are not useful to the environment?

Accepted Answer

Cutting down trees to make furniture.

Answer

Composting of decaying materials to produce organic fertilizers.

Answer

Using both sides of the bond paper when writing.

Answer

Using organic pesticides in killing insects.

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