Environmental Changes

What is the main purpose of building a dam near a river?

• To create a playground for children

• To control flooding and store water

• To make the river flow faster

• To provide a home for fish

Which of the following is a benefit of hydroelectric power generated by dams?

• It increases air pollution

• It provides a renewable energy source

• It depletes water resources

• It causes frequent power outages

What is one environmental impact of constructing a large dam?

• It increases the natural flow of rivers

• It improves the natural habitat for all species

• It can lead to the displacement of local communities

• It reduces the risk of earthquakes

During a drought, which solution would help farmers water their crops?

• Building more houses

• Planting trees in the city

• Installing irrigation systems

• Creating more roads

What is a common problem that heavy rain can cause in communities?

• Too much sunshine

• Not enough water

• High temperatures

• Flooding of homes and streets

Which solution helps protect coastal areas from storm damage?

• Sea walls and barriers

• More traffic lights

• Taller buildings

• Wider roads

What can farmers do to protect their crops from strong winds?

• Remove all trees

• Plant windbreaks of trees

• Build taller fences

• Paint their barns

trees are cut down in large numbers to clear the land; this can lead to erosion and loss of soil

• impact

• restore (restoration)

• deforestation (clear cutting)

• invasive species

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Place where an organism lives, organisms' home

• habitat

• overgraze

• thrive

• global warming

What is a drought?

• Not enough rain
• Too much rain.
• Too much people using water
• Strong winds

Tags

NGSS.MS-ESS2-6

NGSS.MS-LS2-1