solar system planet gravity telescope comet asteroid meteorite

solar system planet gravity telescope comet asteroid meteorite

What is the solar system? Lesson 3 a Jupiter Mercury Sun Uranus Earth Venus Mars Neptune Saturn

How do we learn about the solar system? Lesson 3 b Telescopes make faraway objects seem closer.

What are the rocky planets? Lesson 3 c Mercury Venus Earth Mars

What are the other planets? Lesson 3 d Jupiter Saturn Uranus Neptune

What else is in our solar system? Lesson 3 e A comet is mostly ice mixed with rocks and dust. When it approaches the Sun a tail forms made of gas and dust.

Main Idea Review Compare Earth to the other planets in the solar system. Earth is the only planet with oxygen and liquid water. Earth is much smaller than the gas giants. Earth is the only planet that supports life.

Vocabulary Review a ______ Comets are mostly ice mixed with rocks and dust. Telescopes make faraway objects seem closer. ____________ Planets are round objects in space that are satellites of the Sun. Gravity is a force of attraction between all ______ objects. The large rocks that are found in the belt between Mars and Jupiter are called ______. telescopes asteroids comets gravity planets

Vocabulary Review b A meteor that reaches Earth’s surface is called a ______. The Sun and all the objects in orbit around it make up our ______. If a meteoroid enters Earth’s atmosphere, it is called a ______. meteorite solar system

Main Idea and Details Extend and fill in the graphic organizer to show the parts of the solar system. G. O. Review The Sun is at the center of our solar system. Rocky planets include Mercury, Venus, Earth, and Mars. Jupiter, Saturn, Uranus, and Neptune are gas giants. Pluto is a dwarf planet. Comets, asteroids, and meteoroids also orbit the Sun. End of Lesson