If we went outside in the daytime, what do you think we would see in the sky? Would we see stars? The sun?
In the daytime, we see ____
What do you think we would see in the sky in the nighttime? Would we see stars? The sun?
In the nighttime, we see ____
How does the artifact show what we see in the sky in the daytime and nighttime? 💚
The artifact shows ____
If we want to understand what we see in the sky, we should first decide how we will show Earth’s shape. For this, we can use models, which can help us share or show our ideas. Here are two models of Earth- a map and a globe.
Both the map and the globe show parts of the Earth - like its continents and oceans. However, the globe is round, like the real planet Earth, but the map is flat.
Check For Understanding
What is the shape of the Earth? 💚


The three photographs below were taken in outer space and show three different views of the Earth. 💚
Which model of Earth do these images support (looks like) - the globe or the map? Explain your answer
These images support the _______ model because _______
When you move the Earth in the System View, what happens in the Sky View?
Turn on Daytime Star Positions using the control at the top. What did this do?
What happens when you press the play button in the upper right corner?
Mr. Martinez says the Earth is a circle. Do you agree or disagree? Why or why not? 💚
I ___________ with Mr. Martinez because _________________
Why do scientist use models?
How would you describe a star to a 4th grader? 💚
__________ are scientists who study stars, planets, and other objects in space. 💚
__________ are scientists who study people and cultures from long ago. 💚
Students were asked to bring in a model to represent the earth. One of your friends brought in a basketball for his model.
How is a basketball an accurate (correct) model of Earth? 💚
How is a basketball an inaccurate (incorrect) model of Earth?