Facts About Space

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Level 2 Space

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Level 2 Space textbook contains facts about space and space exploration. The textbook contains sixteen lessons. Lessons include Early Astronomers, Telescopes, Our Solar System, Jovian Planets, The Moon, Life Cycle of Stars, Galaxies, and Space Probes.  Each lesson contains 3-4 pages of written material about space, a quiz and a kids science activity.

Myrna Martin introduces each lesson in the textbook on a video that can be purchased with our packages and courses. Myrna covers not only the main points in the lesson she also includes extra information on the topic that is not contained in the written material.

The kids science activities are fun and easy to do. Science activities include Designing a Space Station, Galactic Mobile, Impact Craters, Moon Gazing, Finding Constellations and Create Your Own Planet.


IN SE L2 Space Options

Student Edition eBook link
Level 2 Space Textbook

Teacher Edition eBook link
Level 2 Space Textbook

IN TE L2 Space

Teacher’s Edition Textbooks

The teacher’s textbook is an exact copy of the student textbook. It includes the answers to the quizzes on each quiz page. A Teacher’s Notes page is located before each lesson with the following information

1. Lesson Content
2. Lesson Objectives
3. Activity information and materials needed
4. Vocabulary and definitions
5. Correlation with the National Science Standards


Facts About Space

  • Venus is the hottest planet in our Solar System. The average surface temperature on Venus is 875 degrees F.
  • Hydrogen and helium are the most abundant elements in the universe. Iron, oxygen, silicon, magnesium, sulfur, nickel, calcium, sodium  and aluminum are common elements on Earth but rarely found in other parts of the universe.
  • Meteorites found in Antarctica and the Sahara Desert were found to contain pocket of gases that are chemically identical to the Martian atmosphere.
  • Massive red giant stars are transformed by a supernova into a neutron star or a black hole.
  • The Milky Way galaxy is about eighty thousand light-years across. It has four spiral arms. Earth is located in the Orion arm. The nucleus of the Milky Way contains old stars.
  • Black holes do not "suck" things into them. Instead objects are pulled into black holes by gravity.
  • A space probe is an unpiloted spacecraft that leaves the Earth's orbit to explore the moon, other planets, and outer space.

Facts about the solar system

The Sun is the center of our Solar System. Ninety-eight percent of the mass of the entire solar system is the Sun. The Solar System is held together by the pull of gravity to the Sun.

There are four terrestrial planets are Mercury, Venus, Earth and  Mars. These inner planets are composed of rock and metal. The "gas giants" are Jupiter, Saturn, Uranus and Neptune. They are also called the four outer planets.

The asteroid belt lies between the inner and outer planets. Until recently Pluto was considered a planet. Today, along with Ceres, Haumea, Makemake and Eris these small bodies are known as dwarf planets.

Facts about space and comets

Comets are small icy dust objects that orbit the Sun. When they get close enough to the sun they heat up and form a coma and a tail that always faces away from the Sun.

People sitting around the campfires long ago would look up into the night time sky and observe many things. Among their observations were comets that were visible from Earth. Halley's Comet has passed by Earth many times. The first recorded date was 240 B.C. and was recorded by the Chinese.

Edmond Halley, a British astronomer was the first to plot orbit of a comet and the return date it would be visible from Earth. Today the comet is known as Halley's Comet and it is due to return and pass by Earth in 2062. The last time it Halley's Comet flew past the Earth was in 1986.

Comets are the source of meteors. Research in the mid 1800s by an Italian scientist, Giovanni Schiaparelli, found that the Perseid meteors followed the same path as a known comet. Looking further he discovered that the Leonid meteors also followed the same path as another known comet. Today, scientists know that most annual meteor showers can now be traced to a comet whose orbit passes by the Earth in its travels around the Sun.


More Level 2 Textbook Links

Level 2 Textbooks

Rock Cycle

Volcanoes

Earthquakes

Earth Science

Space

The Oceans

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Course 2

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