BC: Standard: S2E1. Students will understand that stars have different sizes, brightness, and patterns. a. Describe the physical attributes of stars—size, brightness, and patterns.
FC: STARS Carlie Duke
1: What are Stars? - A star is a ball of gas held together by gravity. - Stars are born from clouds of dust called nebulae. - They are made of mostly hydrogen and helium. - There are many types of stars that are different sizes and colors, some much bigger than the sun!
2: - The color of a star tells us its temperature. - Hotter stars produce more blue light, and cooler stars produce more red light. This means: - Blue stars are the hottest. - Red stars are the coolest. - Yellow stars are cooler than blue stars but hotter than red. - Blue stars are often very bright.
4: - The sun is a star. It is the only star in our solar system. - The sun is not a unique or large star. Even though the sun is massive compared to Earth and the other planets, it is a medium-sized yellow star. - The sun is our source of light, energy, and heat. - The Earth could fit inside the sun at least a million times!
5: What about the sun?
6: What are constellations? - Constellations are groupings of stars that appear to be close together, but are actually at different distances from Earth. - These stars form patterns in the sky that we can see with our own eyes. - There are 88 total constellations.