Space - Lesson 1 - Exploring Our Solar System.pptx

Alberta Curriculum: Science. Space Unit Lesson 1
Exploring Our Solar System

1. Space Lesson 1 - Exploring Our Solar System

2. In our vast universe, Earth is just one of many planets orbiting the Sun. This fascinating concept has been uncovered through scientific exploration of space. Can you name the planets?

3. What is an Orbit? An orbit refers to the regular path that an object takes as it revolves around another object. In our case, Earth orbits around the Sun in a predictable pattern. This orbit keeps Earth at just the right distance from the Sun to support life as we know it.

4. What is an Orbit? In our solar system, other planets like Venus, Mars, and Jupiter also orbit around the Sun. This is because of a force called gravity, which pulls objects towards each other.

5. Not all orbits are perfectly round. Some are more oval-shaped, called elliptical orbits. Each planet has its own unique elliptical path around the Sun. Interesting Facts about Orbits: Different Shapes

6. Earth travels around the Sun at a speed of about 67,000 miles per hour (107,000 kilometers per hour). That’s faster than any car or airplane on Earth! Interesting Facts about Orbits: 2. Speedy Earth

7. It takes Earth about 365 days (or one year) to complete one full orbit around the Sun. This journey is what gives us our seasons—spring, summer, fall, and winter. Interesting Facts about Orbits: 3. Yearly Journey

8. For Example Imagine you're planning a picnic. When you see today's weather forecast it will be sunny and 25°C. However, tomorrow's weather forecast shows rain and only 15°C. This information helps us plan when to go.

9. Planetary Networks Our solar system is like a big family of planets, moons, asteroids, and comets all moving around the Sun. Each planet has its own unique orbit

10. For Example Mercury, the closest planet to the Sun, has the shortest orbit—it completes its journey around the Sun in just 88 Earth days. Jupiter, the largest planet, has a massive orbit that takes almost 12 Earth years to complete.

11. Vocabulary Orbit The regular path that an object takes as it revolves around another object.

12. Video

13. Practice Time Go to your workbook and complete the assignment for lesson 1

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