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Introduction
Table of content
page 1
pictures
PastPresentFuture
experiment
page 4
page 3
page 2
conclusion
page 6
page 7
1
1
introduction
Wildfires are bad and also good. There are many reasons why wildfires are badd.
2
3
Experiment
1.clay
2.many matches
3.two iron bowls
2.many matches
3.two iron bowls
Material:
Steps:
1.put half of the clay into the bottom of one bowl.
2.stick half of the matches on the clay.
3.make another one.
4.burn one of these, observe what happened.
1.put half of the clay into the bottom of one bowl.
2.stick half of the matches on the clay.
3.make another one.
4.burn one of these, observe what happened.
What should happened:
the tall matches' head fell on the ground(clay).
the tall matches' head fell on the ground(clay).
4
past present future
Past
People used stove to cook
Most big fire were cause by nature
Most big fire were cause by nature
Present
People used natural gas to cook.
People made many wildfires.
People made many wildfires.
Future
People do not cook
People cut down too many trees, so there will be no more fire
People cut down too many trees, so there will be no more fire
5