WE have seasons due to the tilt of Earth’s axis. This causes the sun’s rays to change intensity. In summer the sun’s rays are more direct on us. Or, they are more concentrated on us. Or, we have more daylight hours!
24 hours or 1 day to rotate 365 days or 1 year to revolve
Out of This World Double Jeopardy Galileo 200 400 600 Galaxies 200 400 600 NASA 200 400 600 Grab Bag 200 400 600 Magnetism 200 400 600
Galileo 200 Galileo came up with the idea that the sun was the center of the universe. This explanation is called a ________________ because it explains how something happened-based on scientific reasoning and observation.
Grab Bag 400 What season would it be in the northern hemisphere? Why?
It would be winter because: We are titled away giving less direct sunlight OR We receive less daylight hours
Grab Bag 600 Think about the Crater Lab. In the first part of the experiment we were testing how meteor size affects crater size. 1.# of trials you did and why 2.Name the variable and control 3.What things will you measure
3 trials to get consistency in data Variable: size of marble (meteor) Control: height dropped, surface of sand Measure circumference of marble, diameter of crater and height dropped.