Understanding Floods and Droughts

What is a flood?

• A long period with little or no rainfall.

• Excessive heat caused by heat waves.

• An overflowing of water in a normally dry area.

• A type of storm with high winds.

Tags

NGSS.MS-ESS3-2

NGSS.MS-ESS2-4

What causes floods in urban areas?

• The ground can't absorb any water because it is already saturated.

• Drought conditions leading to dry soil.

• Excessive heat causing evaporation.

• Strong winds pushing water inland.

Tags

NGSS.MS-ESS3-4

What is a dam?

• A type of severe storm.

• A levee built to prevent flooding.

• A barrier across a river that redirects flow or stores floodwaters.

• A structure that collects rainwater.

What is a levee?

• A type of flood that occurs in cities.

• A structure that holds back snow.

• A device used to measure rainfall.

• An embankment built along a river to prevent flooding.

Tags

NGSS.MS-ESS3-2

NGSS.MS-ETS1-2

What is a drought?

• A type of storm with heavy winds.

• A long period with little or no rainfall.

• An overflowing of water in a normally dry area.

• A sudden increase in temperature.

Tags

NGSS.MS-ESS2-4

What can long-term droughts lead to?

• Crop failures and wildfires.

• More severe storms and hurricanes.

• Higher humidity levels in the air.

• Increased rainfall and flooding.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What can excessive heat cause?

• Lower temperatures and frost.

• Improved crop yields and growth.

• Skin damage, heat stroke, and dehydration.

• More snow and ice accumulation.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

How can people help lessen the impacts of drought?

• By conserving water.

• By increasing water usage.

• By ignoring water shortages.

• By planting more trees.

Tags

NGSS.MS-ESS3-4

What should you wear to prevent overexposure to the sun?

• Lightweight cotton clothing only.

• Only a hat without sunscreen.

• Dark colors to absorb heat.

• Protective clothing, sunglasses, and sunscreen.

When should you avoid direct sunlight?

• In the evening after 5 pm.

• Only on cloudy days.

• Between the hours of 10 am and 2 pm.

• During the early morning hours.