Planets
Space
Scientific Method
Energy Forms
Energy Changes
100

the closest planet to the sun

What is Mercury?

100
A collection of gases, dust, stars, and planets held together by gravity
What is a galaxy?
100
an educated guess
What is an hypothesis?
100
is a wave of vibrations that spreads from its source
What is sound?
100
is the energy due to motion
What is kinetic energy?
200
was demoted in 2006 to a dwarf planet
What is Pluto?
200
a hazy collection of stars, gases, dust and planets in which Earth is located
What is the Milky Way?
200
the variable that is being tested or changed in an experiment
What is the independent variable?
200
Light bends, or _____________, whenever it enters a new material at an angle.
What is refracts?
200
It cannot be created or destroyed but can be transformed.
What is energy?
300
has polar ice caps of "dry ice" and frozen water
What is Mars?
300
the moon is invisible to the Earth during this moon phase
What is a New Moon?
300
collecting data and recording observations are part of which step of the scientific method
What is the design/perform experiment stage?
300
is a measure of thermal energy.
What is temperature?
300
can change an object's motion, color, shape, temperature, or other qualities
What is energy?
400
has thousands of rings of ice, rock, and dust that make up its ring system
What is Saturn?
400
nickname for planets that are primarily made of hydrogen, helium, and other gases.
What are gas giants?
400
should be detailed and include units of measure so that it can be duplicated by other scientists
What is the procedure and material list?
400
It travels aproximately 18 million km in one minute.
What is light?
400
Every time energy changes forms, some energy is given off as unusable ______________.
What is heat?
500
a region between Mars and Jupiter where most asteroids orbit
What is the Asteroid Belt?
500
a frozen mass of different types of ice and dust orbiting the Sun.
What is a comet?
500
famous Italian scientist known for his revolutionary theories about planets and stars. He was born in Pisa, Italy.
Who is Galileo?
500
The _______________ at which sound waves travel is different in different materials.
What is speed?
500
The more ____________ an object has, the greater kinetic energy it has.
What is mass or speed?
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