Early Astronomers
Who is known as the founder of modern astronomy?
Copernicus
The theory that Earth is at the center of the universe is called?
Geocentric
Did early Astronomers have evidence to prove their theory the the solar system was geocentric?
No
What do you call the step where you make a guess or prediction about what you think will happen in your experiment?
Hypothesis
What is an independent variable?
An independent variable is the one thing you change in an experiment to see how it affects something else.
Which astronomer was sentenced to house arrest for his beliefs.
Galileo
"Which astronomer developed the heliocentric model of the solar system?"
Copernicus
What was the primary method used by early astronomers like Ptolemy to study the stars and planets?
Observation
What do you do in the final step of the scientific method, where you decide whether your hypothesis was right or wrong and explain what you learned?
Draw a conclusion
What you measure in an experiment. It's what changes because of the independent variable
Dependent Variable
What two astronomers believed in the heliocentric theory?
Galileo and Copernicus
What theory was proven with the invention of the Telescope.
Heliocentric
What tool did Galileo improve to observe the stars?
What is the first step of the scientific method, where you think about something you want to learn or understand?
Ask a question
This stays the same throughout the experiment to make sure the test is fair.
Control Variable
Which astronomer discovered the earth spins on its axis every 24 hours?
Copernicus
Who was one of the first to suggest that the stars were far away from the Earth and not part of our solar system
Aristotle
This astronomer used the naked eye to observe and perdicted the planets moved in smaller circles within bigger circles.
Ptolemy
Which step is when you test your hypothesis?
Conduct an experiement
If you are testing how the amount of sunlight affects the growth of a plant, what is the independent variable?
The amount of Sunlight
What major astronomical model did Copernicus introduce?
Heliocentric
Which early astronomer is credited with the discovery of the moons of Jupiter?
Galileo
What were astronomers able to collect once the telescope was invented?
Data/Evidence
After collecting data from your experiment, what is the step called where you look at the results to see if your hypothesis was correct?
Analyze the data
If you want to see how temperature affects how fast ice melts, what is the independent variable?
The Temperature