Unit Conversions and Measurements
The Scientific Method
Solar System Objects
Famous Astronomers
Forces in Space
100
This system of measurement includes inches, feet, and pounds.
What is the imperial system?
100
This is the first step in the scientific method.
What is observation?
100
This is the 6th planet from the sun.
What is Saturn?
100
This astronomer developed the geocentric theory of the solar system, stating that everything in the universe revolved around Earth. Spoiler alert: He was wrong!
Who was Aristotle?
100
This law states that every object in the universe attracts every other object.
What is the Law of Universal Gravitation?
200
This is how close multiple measurements are to one another.
What is precision?
200
This is the format that all hypotheses should be in.
What is the "if...then..." format?
200
This is the phase of the moon shown in the image.
What is a third quarter moon?
200
This astronomer finally proved the heliocentric theory of the solar system through his discovery of Jupiter's moons using a telescope that he made himself.
Who was Galileo Galilei?
200
This law states that an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an outside force.
What is Newton's First Law of Motion?
300
Convert 4.9 miles to kilometers. Include units in your answer!
What is 7.89 kilometers?
300
This is the total number of participants in an experiment.
What is the sample size?
300
This is a streak of light caused by a cloud of dust or ice burning up as it approaches the sun in orbit.
What is a comet?
300
This astronomer discovered that planets have elliptical orbits, not circular ones.
Who was Johannes Kepler?
300
This is an object's resistance to a change in motion.
What is inertia?
400
Convert 950 grams to pounds. Include units in your answer!
What is 2.09 pounds?
400
This is the variable that you measure in an experiment.
What is the dependent variable?
400
This occurs when Earth moves perfectly between the sun and the moon, blocking sunlight from reaching the moon.
What is a lunar eclipse?
400
This astronomer added to the geocentric model of the solar system, stating that planets travel in small circles along their orbits.
Who was Ptolemy?
400
These two factors influence the strength of an object's gravitational force.
What are mass and distance?
500
This system of measurement is used in Libya.
What is the metric system?
500
This is the group in an experiment that does not receive the changed variable or "treatment", creating a standard with which to make comparisons.
What is the control group?
500
This layer of the sun's atmosphere contains sunspots, from which prominences and solar flares can occur.
What is the photosphere?
500
This astronomer discovered that planets and moons shine because they reflect light from the sun.
Who was Aryabhata I?
500
How much will a 5-kilogram object weigh on Mars, where the gravitational acceleration is 3.73 m/s2? Include units in your answer.
What is 18.65 Newtons?