The History of the Earth: Supplemental Guide 1A | Our Home, Earth 21
- (Your state) is in the country of the United States of America
- The United States of America is on the continent of North
America - North America is on planet Earth
Explain that even though it seems that the ground we stand on is
fl at and still, we actually live on only a tiny part of a huge sphere,
or ball, just like this globe. This huge sphere is called Earth.
Remind students that they already learned about the solar
system—our home in space—in the Astronomy domain, and that
Earth, the planet on which we live, is just one of eight planets
within the solar system. Tell students that in learning about the
history of the earth, they are going to learn a lot more about our
planet.
Tell students that the earth is covered by both land and water.
Point out the colors used to distinguish land and water on your
classroom globe. Preview with students that another name for
the land of the earth is the continents of the earth. Tell students
that they will learn about the seven continents of the earth in this
domain. Preview with students that another name for the water
of the earth is the oceans of the earth. Tell students that they will
learn about the fi ve oceans of the earth in this domain.
Vocabulary Preview 5 minutes
Geologist/Geology
Show image 1A-1
- In this domain you will hear about the job of a geologist and a
kind of science called geology. - Say geologist with me three times.
Say geology with me three times. - A geologist is a scientist who studies rocks and what’s inside
the earth.
Geology is the study of rocks and the history of the earth. - This is Gerry the geologist. He is going to tell us what he
knows about geology and what is inside the earth.