How Does Earth Change?

Chapter 5Chapter 5

Lesson 3Lesson 3

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Weather Changes EarthWeather Changes Earth

Heavy rains may cause a flood.

•A flood happens when rivers and streams get too full.•The water flows onto land.•A flood may carry soil to a new place.

Dry weather may cause a drought.

Nitrous oxide

Water

Methane

Sulfur hexafluoride

•A drought is a long time with less rain than usual.

•The land gets very dry.

•Plants may die.

•Moving water changes the land.•It carries rocks and soil to new places.•This is called erosion.

Erosion formed the Grand Canyon over millions of years ago!!

Time to put our thinking caps Time to put our thinking caps on!on!

What can weather do to What can weather do to Earth’s land?Earth’s land?