What is science? Standards and Measurements
Types and States of Matter
Atoms, Periodic Table and Radioactivity
Interaction of Matter
Miscellaneous
100
What is the difference between pseudoscience and science?
Pseudocience does not follow the scientific method, does not have supporting evidence and might not be repetable. Science follows the scientific method, has supported and its repetable.
100
What are three states of matter?
Liquid, Solid, Gas
100
What is the part of the atom has no electric charge?
Neutrons
100
What is a heterogeneous mixture?
Heterogeneous mixture is a mixture that does not appear to be the same throught.
100
How many days does earth takes to go around the sun one time?
365.25 days
200
What is 6 grams converted mg?
6,000 mg
200
What is solid converted to liquid called?
Melting
200
What are the 2 particles in an atom that has the same number?
Protons and Electrons
200
Give an example of colloid.
Ash
200
When was the first gas station opened?
In 1897
300
What are the basic units?
Grams, meters, liters
300
What does the Archimedes principle state?
Archimedes principle states that "the buoyant force that is exerted in a body of fluid's weight is equal to the weight of the display objects."
300
How many electrons can the second orbit hold?
8
300
Give 3 physically properties.
Color, Mass and Shape
300
How many pounds of garbage a person prodeuces a year?
1800 pounds
400
How do you find density?
Mass divided by volume mass/volume
400
What is gas converted to solid called?
Deposition
400
What are ions?
Atoms that are not balance with a number of protons and electrons.
400
Give 2 examples of chemical changes.
Food discomposing and paper turned into ash.
400
What is the speed of sound?
740 mph
500
What is 122 farenheit converted to celsius?
About 45 C.
500
What is the temperature when water boils?
100 Celcius
500
How many protons does oxygen have and what is its the atomic mass?
8 protons and the atomic mass is 16
500
Convert SnO2+ 2 H2 TO ______ Sn+________ + H20
SnO2+2 H2 TO 1 Sn+ 2+ H20
500
What is the speed of light miles per hour?
About 669 million 6000 mph
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