first test SWB
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Science | Exploration of natural world using observations/data/testable hypotheses (natural science)
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| Scientific Method | general structure given to hypothesis driven scientific investigation
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| observation | use senses/instruments to gather data, occurrences, observations (define problem or question)
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| hypothesis | testable statement (potential answer to question)
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| prediction | potential test to hypothesis
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| experiment | perform test based on prediction
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| independent variable | variable being tested/changed
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| dependent variable | result/outcome/measurement
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| controls | untreated or known treatment groups
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| controlled variables | environmental factors which are kept constant between all samples
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| law/principle | statement of working of natural world, derived from facts and hypothesis (not contradicted or changed)
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| social sciences | use sci. method to study behavior subjective to interpretation
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| formal sciences | deals with logical ideas (not nature)(math/comp. science)
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| raw data | data as it is collected, not analyzed or manipulated
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| averages/means | the central point of raw numerical data
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| standard deviation | statistical analysis of how much raw data varies from the mean
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| energy | the ability to move or change things
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| potential energy | stored energy
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| kinetic energy | energy motion
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| electromagnetic radiation | energy bundle (photons) that travel in waves at the speed of light
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| visible light | light (EM radiation) that can be detected with our eyes
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| mass | amount of matter in an object
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| matter | anything that takes up space
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| atom | unit of matter
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| first law of thermodynamics | energy is never created or destroyed (in a closed system)
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| 2nd law of thermodynamics | energy tends towards disorder (to become less usable)
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| food (chemical energy) | stored in carbon (carbon bonds or organic molecules)
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| sun | original source of energy for life
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| primary consumers (herbivores) | consume plants
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| secondary consumers (carnivores) | eat primary consumers
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| law of gravity | force of attraction between any objects with mass
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| weight | force of gravity on an object
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| 1st law of inertia | 1.object in motion tends to stay in motion
2.object at rest tends to stay at rest
3.inertia is proportional to mass
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| atom | smallest unit of matter that has unique characteristics
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| elements | different types of atoms
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| nucleus | small dense area located in center (comprised of protons and neutrons
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| protons | 1 AMU, charge +1
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| neutrons | 1 AMU, charge 0
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| strong nuclear force | fundamental force of nature
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| electron cloud | region outside nucleus that contains electrons
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| electron | 0 AMU, charge -1
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| atomic mass | number of protons and neutrons
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| radioactive decay | nucleus emits excess energy and becomes more stable
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| half-life | time it takes for 50% of substance to decay
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| alpha decay | atom loses an alpha particle (loses 2 protons and 4 AMU)
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| alpha particle | high energy (2 protons, 2 neutrons)
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| beta decay | a neutron from rad. isotope (gain 1 proton, no change in AMU)
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| gamma decay | nucleus releases EM radiation form of gamma rays
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| fission | results in generation/release of lot of energy (heat)
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| neutron sponges | control rods (control rate of chain reaction)
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| nuclear waste | high energy radioactive waste from spent rods (lasts for 1000s of years)
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| element | simplest substance with distinct properties
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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