When rivers and streams get too full and water flows onto land, it causes a ______.
Flood -- You get 200 extra points!!!
________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.
Erosion -300 EXTRA points!!
A _________ is a long time with little rain that causes the land to get very dry.
Drought
Give two examples of pollution.
The teacher will tell you if you are right and you get 400 extra points!!
Which makes air pollution?
a. bicycles b. plants c. trucks
c. trucks
People can be harmful to the environment by doing what?
a. throwing trash on the ground
b. watering plants
c. using LESS water
a throwing trash on the ground
Which of these causes the most pollution?
a. people b. animals c. plants
a. people
The process of moving weathered rocks and soil by wind, water or ice is called this.
What is erosion?
How does litter hurt plants?
a. It hits them and makes them cry
b. It covers them and they can't get enough sunlight to make food.
c. It makes them dirty.
b. It covers them and they can't get enough sunlight to make food.
Which change takes the LEAST amount of time?
flood drought erosion
A _________ is a long time with little rain that causes the land to get very dry.
drought
The introduction of harmful things into the environment is __________.
pollution
When rivers and streams get too full and water flows onto land, it causes a ______.
flood
________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.
erosion
Which causes the MOST erosion?
light rain heavy rain plant growth
Heavy rain
Give two examples of pollution.
Teacher will tell you if you are right!!
How can people use wood from trees that are cut down so they are not wasted?
The teacher will decide if you are correct!
Which causes the MOST erosion?
light rain heavy rain plant growth
heavy rain
________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.
Erosion
How could people use wood from trees that have been cut so the wood is not wasted?
The teacher will tell you if you are right!
The teacher will decide if you are correct!
When rivers and streams get too full and water flows onto land, it causes a ______.
How can people use wood from trees that are cut down so they are not wasted?
The teacher will decide if you are correct!
The introduction of harmful things into the environment is __________.
Pollution
Give two examples of pollution.
The teacher will tell you if you are right!