Sect 8.2

6th Grade Science

Chapter 8 Exploring

Space

Notes Section 8.2

The Orion Nebula

• What are rockets?• Rockets are engines that have everything that

they need for burning fuel.• What is a satellite?• A satellite is any object that revolves around

another object.

Key Questions 1

The Tadpole Galaxy

Project Gemini Rocket Engine

Project Apollo Rocket

GPS Satellite

• What is an orbit?• An orbit is the curved path a satellite makes as it

circles an object.• What was the first man-made satellite?• The first man-made satellite was Sputnik I.

Key Questions 2

The Sombrero Galaxy

Sputnik 1Launched Oct 4,1957

• What is a space probe?• A space probe is an instrument that gathers

information and sends it back to Earth; Pioneer-10, Voyager 1 and 2, Galileo.

• What were the goals of Project Mercury and Project Gemini?

• Project Mercury- orbit a piloted spacecraft around the Earth, Project Gemini- connecting two space crafts while in orbit.

Key Questions 3

Pioneer 10 Spacecraft

Voyager 2

Galileo Spacecraft

Project Mercury

Project Gemini

• What was the goal of Project Apollo• Project Apollo- to land a man on the moon and

bring him back safely.• Who was the first man to walk on the moon?• Neal Armstrong on July 20, 1969 became the

first man to walk on the moon.

Key Questions 4

Project ApolloProject Apollo

Project Apollo

Project Apollo

1. Explain why Neptune has eleven satellites even though it is not orbited by human-made objects.

2. Explain why Galileo was considered a space probe as it traveled to Jupiter. However, once there it became and artificial satellite.

3. List several discoveries made by the Voyager 1 and Voyager 2 space probes.

4. Draw a time line beginning with Sputnik and ending with Project Apollo.

5. Is Earth a satellite of any other body in space? Explain.

Questions Section 8.2