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65 Cards in this Set
- Front
- Back
What is the basic SI unit for length?
What is its abriviation? |
meter
(m) |
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What is the basic SI unit for mass?
What is its abriviation? |
kilogram
(kg) |
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What is the basic SI unit for time?
What is its abriviation? |
second
(s) |
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What is the basic SI unit for time?
What is its abriviation? |
kelvin
(K) |
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What is the first step in the scientific method?
How do you do this? |
Sate the Problem
Ask the question in a way that is answerable by the scientific method. |
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What is the second step in the scientific method?
How do you do this? |
Collect Background Information
Research information that is already known about your subject. |
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What is the third step in the scientific method?
How do you do this? |
Construct a Hypothesis
Use background information to make an educated guess to your problem. |
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What is the fourth step in the scientific method?
How do you do this? |
Experiment and Record Results
Write and perform a procedure to test your hypothesis record all your data. |
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What is the fifth step in the scientific method?
How do you do this? |
Analyze Data and Draw Conclusion
Make a graph or table representing your results analyze them and draw a conclusion to your question. Was your hypothesis right or wrong? Summarize your findings. |
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What is the sixth step in the scientific method?
How do you do this? |
Communicate Your Results
Document what you found in a reaserch paper or science fair board incude all the steps of the scientific method. |
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What does the prefix kilo mean?
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1,000 units
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What does the prefix hecto mean?
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100 units
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What does the prefix deka mean?
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10 units
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What does the prefix deci mean?
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0.1 units
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What does the prefix centi mean?
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0.01 units
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What does the prefix milli mean?
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0.001units
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What is length?
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A linear measurement (one dimention).
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What is area?
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Measurement of a planar surface (two dimentions).
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What is volume?
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Measurement of how much space the item takes up (three dimentions).
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What is mass?
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The amount of stuff in an object (independent of gravity).
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What is weight?
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The amount of mass multiplied by the acceleration due to graviy.
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What is density?
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The ratio of the mass to the volume of a substance.
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What is a phisical change?
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A change in state, density, volume, mass, or color (can be changed back by phisical means).
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What is a chemical change?
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Change in electron sharing. New substances fromed (can not be changed back by phisical means).
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What is the atomic number?
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Number of Protons
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What is the atomic mass?
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Number of protons plus number of neutrons.
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What does amu stand for?
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Atomic Mass Unit
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What is an isotope?
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Two atoms of the same element with different atomic masses (one has more neutrons).
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What is the electronic charge of an atom?
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The number of protons compared to the number of electrons (more protons positive charge, more electrons negative charge, equal amount no charge).
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What are ions?
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An atom with a positive or negative charge.
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What is an element?
Whats an example? |
Composed to one type of atom.
e.g. Fe, H, He |
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What is a compound?
Whats an example? |
Two or more different atoms chemically combined.
e.g. H2O, CO2 |
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What is a molecule?
Whats an example? |
Two or more atoms chemically combined (dont have to be different types).
e.g. O2, CO2 |
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What is a mixture?
Whats an example? |
Two or more substances sharing a container but not chemically combined.
e.g. salt water (H2O+NaCl) |
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What is a substance?
Whats an example? |
An element or compound.
e.g. He, CO2 |
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What is a solution?
Whats an example? |
Mixture mixed at the atomic level - solute dissociates in solvent.
e.g. NaCl, H2O |
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What is a mineral?
Whats an example? |
An element or compound, solid,difined crystalline structure, inorganic, naturally occuring.
e.g Iron, Halite |
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What is a rock?
Give an example. |
Mixture of minerals, organic material, and volcanic glass. Classified by how its formed.
e.g. Limestone, Marble |
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What is an igneous rock?
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Formed from magma or lava cooling.
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What is a metamorphic rock?
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Formed in the techtonic plates, of magma.
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What is a sedimentary rock?
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Fragments of sand and and organic material cemented together.
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What is the hardness of a mineral?
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What can and cant scratch it (Moh's hardness scale).
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What is a minerals streak?
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The color of its powder.
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What is a minerals breakange?
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How it breaks.
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What is minerals color?
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The color it appears when it reflects in white light.
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What is a minerals luster?
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How it reflects light (metallic, non metallic).
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What is a minerals specific gravity?
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The ratio of the weight of a mineral to the weight of an equal volume of water.
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What are the four eons?
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Hadean, Archean, Proterozoic, and the Phanerozoic.
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What hapened in the Hadean eon?
When did it begin and how long did it last? |
Earth forming, volcanic activity. Rain twoard end of eon. Began 4.6 billion years ago and lasted 0.8 billion years.
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What happened in the Archean eon? When did it begin and how long did it last?
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Single celled life, continets formed, first oceans, and atmosphere. Began 4.1 billion years ago lasted for 1 billion years.
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What happened in the Proterozoic eon?
When did it begin and how long did it last? |
New kinds of single celled life, first superior continent formed (Rodinia), twords the end first multi celled organisms. 2.5 billion years ago lasted 2.3 billion years (longest eon).
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What happened in the Phanerozoic eon?
When did it begin and how long did it last? |
Multi celled life flourished, precambrian is over. Begun 0.5 billion years ago to present. Divided into three eras.
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What are the agents of chemical weathering? (4)
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Natural acids, plant acids, oxygen (rust), and man-made acids
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What are the agents of mechanical weathering?
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Animals, plants, ice, water, wind, gravity, severe and rapid temperature changes, salt crystal formation, repeated wetting and drying.
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Name the unconformities.
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Angular Unconformity
Nonconformity Disconformity |
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What is it called when layers of sediments will form on top of one another and older layers are on the bottom and newer layes are on the top?
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Principal of Superposition
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What is uniformitarianism?
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What happened in the past that happens the same way in the present.
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What is a radioactive half life?
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The time it take one half of the number of radioactive atoms in a sample to decay to its stable daughter product.
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Give an example of mechanical and chemical weathering teamwork.
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Mechanical weathering exposes surface area for chemical reactants to reach inside of surface.
Chemical weathering weakens rock to make mechanical weathering easier. |
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What are the agents of erosion and deposition?
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Wind
Water Gravity Glaciers |
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What are the three types of volcanoes?
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Composite or Strata
Cinder Cone Shield |
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How is a composite volcano formed?
Give an example. |
By alternating layers of lava and ash.
Mt. St Helens |
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How is a cinder cone volcano formed?
Give an example. |
By tephra (very steep)
Mt. Shasta |
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How is a shield volcano formed?
Give an example. |
Layers of lava
Hawaii |
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Where do volcanoes form?
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Reverse faults or hot spots.
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