Scientific Method
What is the first step in conducting an experiment?
Asking a question
How long does it take the Earth to rotate?
24 hours
Does Earth revolve around the moon?
No. The Moon revolves around the Earth.
How long does the moon phase take to complete?
27 Days
What is a constellation?
A group of stars
What is a hypothesis?
What you think will happen in your experiment
What is the imaginary line that runs from the North Pole to the South Pole?
The Earth's axis
How long does it take for the Earth to revolve around the Sun?
365 days (one year)
When the moon is new, how much is in shadow?
100%
Do stars move in the night sky?
No.
What information would someone need to re-create an experiment performed by another scientist?
The scientist's procedure
Does the Earth rotate clockwise or counter-clockwise?
Counter-clockwise
Does the Earth revolve in a clockwise or counter-clockwise direction?
Clockwise
True or false: The moon follows the same pattern over and over
True.
Why do some stars appear larger than others?
Their size and/or distance from Earth
What do scientists base their conclusions on?
Data collected during their experiment
How can we see the Earth's rotation?
Our shadows
Day and Night
Do the other planets revolve around Earth?
No. All planets revolve around the Sun?
What causes the moon's phases?
The orbit of the moon around the Earth.
What makes stars appear to move across the night sky?
Rotation of the Earth
What is the difference between an inference and an observation?
An observation is something you can see, taste, touch, smell or hear. An inference is something you think based on your observations.
No. Rotation causes the rising and setting of the sun
Fill in the blanks:
The sun is a ______ that is a big ball of _______ that is always on _______ and it never _________.
The sun is a star that is a big ball of gas that is always on fire and it never moves.
During the first quarter and the last quarter moon phases, how much of the moon is in shadow?
Half.
Why can we not see some constellations during certain parts of the year?
The revolution of the Earth.