Abeka 8th Science Quiz 29 L130

What is the symmetrical oval shape that a planet's orbit has?

• Circle
• Spiral
• Parabola
• Ellipse

What is a planet's closest point to the sun called?

• Aphelion
• Solstice
• Perihelion
• Equinox

Why do planets sometimes appear to move "backward" through the sky?

• Earth travels faster than the outer planets.

• Planets move backward as a result of gravitational pull from the sun.
• Planets appear to move backward because of their own rotation.
• Planets move backward due to changes in their composition.

Who is the scientist that discovered the law of universal gravitation?

• Sir Isaac Newton
• Nikola Tesla
• Galileo Galilei
• Albert Einstein

Who is the astronomer that discovered thephases of Venus?

• Isaac Newton
• Galileo Galilei
• Johannes Kepler
• Nicolaus Copernicus

Who was the astronomer whose book Almagest mathematically described the geocentric view of the universe?

• Johannes Kepler
• Nicolaus Copernicus
• Claudius Ptolemy
• Galileo Galilei

Who was the astronomer that discovered that the planets do not travel in circles?

• Nicolaus Copernicus
• Galileo Galilei
• Johannes Kepler
• Isaac Newton

Who was the Polish astronomer that proposed a heliocentric system of the universe?

• Galileo Galilei
• Nicolaus Copernicus
• Johannes Kepler
• Tycho Brahe

The sun, planets, the planet's moons, and other smaller bodies that orbit the sun form the _______.

• galaxy
• universe
• solar system
• solar flare

The study of God's creation beyond our atmosphere is called ________.

• astronomy
• geology
• meteorology
• astrophysics