Assessment: Lesson 4.5

A scientist who discovered that Jupiter has four largest moons.

• Isaac Newton

• Johannes Kepler

• Galileo Galilei

An Arab scientist who made observations and calculations that the Earth is the center of Universe.

• Ibn al- Haytham

• Ptolemy

• Mohammed

A famous astronomer who believed that the Sub moved around the Earth.

• Isaac Newton

• Ptolemy

• Galileo Galelei

What kind of instrument does Galileo used to observed and studied solar system.

• Computer

• Telescope

• Calculator

A scientist who proposed the laws of motion and discovered gravity.

• Johannes Kepler

• Issac Newton

• Ptolemy

What was the discovery of Johannes Kepler?

• Motion of planets around the Sun

• Four moons of Jupiter

• Discovery of Gravity