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Day, Night, Seasons
The Universe
Newton’s Laws
MoonLife Cycle of
a Star
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Day, Night, Seasons 100
What causes day and night on Earth?
Day, Night, Seasons 100
The rotation (spinning) of the Earth
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Day, Night, Seasons 200
How long does it take for the Earth to rotate one time?
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Day, Night, Seasons 200
Approximately one day or 24 hours
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What causes the seasons on Earth?
Day, Night, Seasons 300
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Day, Night, Seasons 300
The tilt of the Earth’s axis and its revolution (or orbit) around the Sun
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Day, Night, Seasons 400What would the season be in the northern
hemisphere in the picture below? Explain your answer.
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Sun
Day, Night, Seasons 400
It would be summer in the northern hemisphere because the northern part of the axis (north pole) is tilted toward the sun, so the northern hemisphere is
receiving more direct sunlight.
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Day, Night, Seasons 500
Draw a picture of the Earth and Sun that shows winter in the Southern
Hemisphere.
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Day, Night, Seasons 500
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SunEarth
Universe 100
What is a comet?
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Universe 100
Small, frozen, mass of dust and gas revolving around the sun in a highly elliptical orbit. May form a tail.
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Universe 200
List in order from space to Earth:Meteor, Meteorite, Meteoroid
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Universe 200
Meteoroid, Meteor, Meteorite
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Universe 300
Explain how scientists believe that the universe formed.
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Universe 300
Scientists believe that our universe formed about 20 billion years ago with an explosion of concentrated matter and energy, and it has been expanding ever since. This is called the “Big Bang Theory”.
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Universe 400
Compare and contrast a solar system and a galaxy.
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Universe 400
A solar system is a collection of planets and their moons that orbit around ONE
star.A galaxy is a system of millions or
billions of stars held together by gravity.
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Universe 500
Describe how scientists think stars and solar systems form.
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Universe 500
A large cloud of gas and dust (nebula) starts to spin and flatten. Nuclear fusion begins in the middle and a star is born. The left over gas and dust clumps together to form planets.
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Newton’s Laws 100
What force keeps the planets in orbit around the sun?
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Newton’s Laws 100
Gravity
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Newton’s Laws 200
What is an example of Newton’s third law?
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Newton’s Laws 200
Newton’s Cradle – when you lift and drop one of the balls, the ball on the
opposite side goes up.
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Newton’s Laws 300
Define gravity and explain the two factors that affect an object’s gravity
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Newton’s Laws 300
Gravity is: All objects are attracted to one another
The two factors that affect gravity are the mass of the object and the
distance to the object.
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Newton’s Laws 400
What is an example of Newton’s second law?
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Newton’s Laws 400
It takes more force to push a full shopping cart than an empty one
because a full cart has more mass.** Answers may vary
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Newton’s Laws 500
Summarize each of Newton’s three laws.
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Newton’s Laws 500First Law: Objects resist changes in motion (inertia)
Second Law: Relationship between force, mass, and acceleration. Example: The greater the mass of an object the greater the force needed to change its motion. (Force = Mass X Acceleration)
Third Law: For every action, there is an equal and opposite reaction
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Moon 100
What PHASE of the moon is show below?
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Earth SunMoon
Moon 100
Full Moon
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Moon 200
Draw the sun, moon, and Earth at a quarter moon.
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Moon 200
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EarthSun
Moon
Moon 300
Draw the sun, moon, and Earth at a new moon.
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Moon 300
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EarthMoonSun
Moon 400What kind of eclipse is being shown in the picture
below?
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SunEarth
moon
Moon 400
Solar eclipse
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Moon 500
Draw a diagram of a lunar eclipse
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Moon 500
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Sun
Moon
Earth
Life Cycle of a Star 100
What is nuclear fusion?
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Life Cycle of a Star 100
Two hydrogen atoms join together (fuse) to make a helium atom. Produces heat and light energy that makes the star
glow.
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Life Cycle of a Star 200
How are both massive and average sized stars born?
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Life Cycle of a Star 200
In a large cloud of gas and dust called a nebula, nuclear fusion begins in the
middle and a star is born.
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Moon Phases 300
Describe the three phases an average star goes through at the end of it’s
life.
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Daily Double!!!
Life Cycle of a Star 300
Red Giant White Dwarf Black Dwarf
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Life Cycle of a Star 400Describe the four stages a massive star
can go through at the end of it’s life.
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Life Cycle of a Star 400
Red Super giant
Supernova
Neutron star/pulsar Black hole
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Life Cycle of a Star 500
Compare the life time of an average sized star and a massive star.
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Life Cycle of a Star 500
Massive stars live about 10 million yearsAverage stars live about 10 billion years
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