Natural Events and Human Impact on the Environment

Every living organism depending on other living organisms is called

• conservation

• food chain

• interdependency

• ecosystem

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NGSS.MS-LS2-2

What is one way for a farmer to keep the nutrients from being used up in a field?

• Remove dead plants from the field each year.

• Use different pesticides each year.

• Plant different crops in the field each year.

• Irrigate the field each year.

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NGSS.MS-LS2-3

How have humans changed the natural environment?

• Wind and rain has destroyed wheat plants.

• The sun's energy helped a wheat plant grow.

• A wheat plant's seeds were scattered by the wind.

• A forest was cleared to make space to plant wheat.

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NGSS.MS-LS2-4

NGSS.MS-ESS3-4

Which human activity most affects the environment?

• rowing a boat

• driving a car

• hiking on a trail

• talking on the phone

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NGSS.MS-ESS3-4

What would most likely happen if a disease affected the pine tree population in Virginia?

• The pine tree population would get smaller.

• The pine tree population would get larger.

• The pine tree population would not change.

• The pine trees would grow taller.

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

A fire burns through a grassland. Which type of animal could best compete for resources after the fire?

• one that eats meat

• one that lives underground

• one that uses plants for shelter

• one that has a nest on the ground

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

Turning off the water when brushing your teeth and collecting rain water to water house plants are examples of

• saving water conserves future resources

• everyday materials can be reused

• plants need water to be healthy

• using old materials can waste money

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NGSS.MS-ESS2-4

Which is a positive side effect of a forest fire?

• The heat from the fire allows some seeds to grow.

• After the fire, animals struggle to find food.

• The burning fire causes the air to become polluted.

• It takes many years for the trees and plants to regrow.

Over time, how will erosion effect Mount Rushmore?

• The location of the carving changes.

• The size and shape of the faces changes.

• The name of the carving changes.

• The color of the carving changes.

Tags

NGSS.MS-ESS2-2

What is a benefit that many flowering plants get from animals?

• Shelter from direct sunlight

• Oxygen to use in photosynthesis

• Seeds carried to new places

• Moisture to prevent wilting