Human Impacts

This is a Silt Fence. Which of these could it help prevent?

• Erosion leading to sediment build up in a lake

• Deforestation and habitat loss

• Climate change and melting ice caps

• Spray fertilizer causing air pollution

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NGSS.MS-ETS1-3

Humans depend on the ocean for all of the following except?

• Food

• Transportation

• Trash Storage

• Jobs

The Jones family cares about the environment. They run their dishwasher only when it is completely full. Which of the following BEST explains why they do this?

• To save money
• To recycle dish soap
• To reduce sewage
• To conserve water

What does conserving resources mean?

• Use as much of the resources as you can
• Only use the resources at school
• Protecting the resource so it does not run out

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Scientists think people have directly caused the extinction of some species through ______________.

• habitat destruction
• poaching
• pollution
• All of these

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Pollution can enter the hydrosphere in many different ways. Which statement describes a type of point-source pollution?

• Oil being transported on a ship spills into the ocean.

• Grease from cars washes into a stream along the roadway.

• Litter along beaches gets pulled into the ocean by the tide.

• Rainwater carries chemical fertilizer from land into a stream.

Which example best describes how human activity can directly impact the geosphere?

• Poor farming practices can degrade the soil and cause erosion.

• Dumping waste from a factory into a river can pollute the water supply.

• Construction activities can release harmful dust and chemicals into the air.

• Removing too many fish from the ocean can cause a fish species to go extinct.

Tags

NGSS.MS-ESS3-4

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Which human activity contributes the MOST carbon dioxide to the atmosphere?

• Fishing
• Breathing
• Burning Fossil Fuels
• Farming

Isabella saw a chart that showed changes in the population over the past 500 years. She was surprised that the growth dramatically increased in the last 3oo years. What is the cause of an overall increase in the population.

• The death rate is greater than the birth rate

• the birth rate is greater than the death rate

• the birth rate and the death rate are almost equal

• the death rate and people moving into an area are equal

People must make changes to ensure that future generations have access to natural resources. People must maintain the natural resources we have at a certain quality for a certain period of time. What is the practice of maintaining resources called?

• replanting

• reclamation

• constraint

• sustainable use

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5