the sun and its planets g3

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The Sun and its Planets

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Ch.8 Lesson 6The Sun and its

Planets

• ( Objectives )• The student be able to :• 1-Explore and make a model of an

orbit.• 2-Discuss that planets in our solar

system orbit the Sun at different rates• 3-Understand that each planet has

unique characteristics.• 4-Discuss various methods of space

exploration that are used by scientists

(Vocabulary):Solar SystemPlanetsStarTelescopelenses

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Planets

• What is a Solar System?

• Includes the Sun, nine planets, and their moons.(Vocabulary):

Solar SystemPlanetsStarTelescopelenses

Solar System

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Planets


• is a large body of rock or gas that orbits the sun.

• Each planet is a different size.• Each planet has its own orbit

or path around the Sun.• Each planet rotates on its axis

and revolves around the Sun as Earth does.

Planet

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Planets


Planets in order:Mercury MyVenus VeryEarth ExcellentMars MomJupiter JustSaturn ServedUranus UsNeptune NinePluto Pizza

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Planets(Vocabulary):Solar SystemPlanetsStarTelescopelenses

• is a star.• It is a hot, glowing ball of

gases.• It is a medium-sized star.• It looks larger than any other

star??• Because it is the closest star

to Earth.• It is very big compared with

Earth. It is so big that if it were hollow, more than 1 million Earths would fit inside it!

Sun

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Planets


• The Sun looks small??• Because it is very far from

Earth.• It takes 8 minutes for sunlight

to make the trip to Earth.• Earth get heat and light from

the Sun.• If we were much closer, Earth

would be too hot to live on.• If we were much farther away,

Earth would be too cold for living things.

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Planets


• What are the 9 planets like?• Planets have no light of their

own, they reflect the sunlight.• The name planet come from a

word meaning wanderer, as they wander through the sky.

• Each planet move in a different orbit and at a different speed.

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Planets


• Planets are divided into 2 groups

• Outer planets made of gases.• Pluto is made of mixture of rocky

materials + frozen gases

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Planets


• How do we learn about space?• The Sun, the Moon, and

planets are very far away.• How do scientists learn about

them??• They may use one tool called

telescope.

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Planets


• gather light to make faraway objects appear larger, closer, and clearer.They gather light with

mirrors lenses

is a curved piece of glass.

telescope

lens

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Planets


• Check for understand ?• 1-What is a solar system?• 2-What 2 things does Earth

receive from the Sun?• 3-How are the planets the

same? How they are different?• 4-What causes the outer planets

to be colder than the inner planets?

• 5-How would life be different without telescope?

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the sun and its planets g3

Science