Problem: Write a question you would see in a school textbook.

Answer: A student uses a telescope to view stars at night. The student notices some of the stars are different colors. The color of a star is determined most by its

Problem: Write a question you would see in a school textbook.

Answer: A simple machine that helps move a flag up a flagpole is

Problem: Write a question you would see in a school textbook.

Answer:
The systems of the human body work together. Which system works with the skeletal system by pulling on the bones to create movement?