Galaxies

25 April 2023
6.5 Galaxies
1 / 20
next
Slide 1: Slide
PhysicsSecondary EducationAge 12,13

This lesson contains 20 slides, with interactive quizzes, text slides and 4 videos.

Items in this lesson

25 April 2023
6.5 Galaxies

Slide 1 - Slide

Content objectives
  • I can describe what galaxies are.
  • I can name the three shapes of galaxies.
  • I can name what galaxies contain.
  • I can explain the role of gravity in galaxies in space.

Slide 2 - Slide

What I know:
From smallest to largest, what is the arrangement of celestial objects?

Slide 3 - Slide

smallest

largest

Slide 4 - Drag question

Galaxies
  • What galaxy does our solar system belong to?
  • a collection of stars with their planets, dust, and gas

Slide 5 - Slide

Slide 6 - Video

Which of these is NOT found in a galaxy?
A
planet
B
star
C
Universe
D
stellar gas

Slide 7 - Quiz

Slide 8 - Video


Name the galaxy where we live in.
timer
1:00

Slide 9 - Open question

Which of these shapes best illustrates the galaxy we live in?
A
B
C

Slide 10 - Quiz


Name the closest star to Earth in our galaxy.
timer
1:00

Slide 11 - Open question

Slide 12 - Video


Which of these is the force that holds the parts of a galaxy together?
gravity
electromagnetic force
air resistance force

Slide 13 - Poll

Shapes of Galaxies

Slide 14 - Slide


Explain why most of the stars we see in the night sky are from our galaxy, not other galaxies.
timer
3:00

Slide 15 - Open question

21 April 2023
6.5 Galaxies

Slide 16 - Slide

Slide 17 - Video


Some galaxies contain objects called black holes. A black hole is NOT a hole but a solid object. Suggest ONE reason why black holes appear black.
timer
5:00

Slide 18 - Open question

21 April 2023
6.5 Galaxies

Slide 19 - Slide


State one lesson that you've learned today.
timer
2:00

Slide 20 - Open question