In this lesson, you have learned that the force of gravity causes all objects on Earth to fall toward Earth's center. You have also learned that a force from the opposite direction, such as air resistance, can counteract gravity. You will now write an essay that shares what you have learned and what you think about it.

Begin by reviewing your notes. Click "My Work" above and view or print out the screen.

Final Assignment Instructions

• Click Forces of Gravity and Air Resistance—Final Assignment  (PDF).
• Choose one of the topics in the PDF and write an essay.
• Organize your response so that it includes at least three supporting details that you have learned from the reading passage, video(s), and other materials in this lesson.
• Use at least three vocabulary words (or a form of the words) as part of your supporting details. For example, for the word jump, you could use jumps, jumped, or jumping.