scitific method
What is the scientific method?
A series of steps the help find answers or info to questions about the real world
What are the order of planets from the sun?
Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
What is happening in our sun to create lots of energy?
Nuclear fusion- hydrogen atoms colliding to form helium
What are steps to scientific method and briefly describe them?
Question- ask a testable question that focuses on only one factor
Hypothesis- make a prediction or educated guess to answer your question
Experiment- plan and conduct a fair test and record data (do it multiple times)
Analyze- look for patterns , analyze data
Conclusion- conclude the results and state whether your hypothesis was correct or not
Communicate- Share your result
What are the inner planets?(terrestrial planets) Name their characteristics
Mercury, Venus, Earth, Mars
Solid, rocky surfaces
Surface vs core temp of the sun
5500 degrees celsius vs 15 million degrees
What are variables?
Factors that can affect our experiment
What are the outer planets? (gas giants) Name their characteristics
Jupiter, Saturn, Neptune, Uranus,
Made of mostly gases such as hydrogen and helium and also ice
What are the orbittal distances of each of the planets in AU
Mercury 0.39 Au from sun
Venus 0.72 Au from sun
Earth 1 AU
Mars 1.52 Au
Jupiter 5.27
Saturn 9.52
Uranus 19.19
Neptune 30
What is the difference between independent and dependent variables?
IV: the cause portion or part of experiment that is purposefully changed
DV: the effect portion or part of the experiment that is measured
What is the central star in our solar system?
sun
Which planet has a surface similar to the moon and no atmosphere?
Mercury
Describe what we did and found in the gum experiment and name the IV and Dv
IV: Brand of gum
Dv: length of time the flavour lasted
Add in info about the process and what our results were
How many earths can fit into the sun?
About 1 million
Which planet is similar to earth in size , mass and gravity ?
venus