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53 Cards in this Set
- Front
- Back
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Scientific Method
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An organized approach to problem solving
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Scientists Always
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Learn about a problem before trying to solve it
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Control
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The part of an experiment that does not change
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Experiment
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A scientific test
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Hypothesis
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A predicted answer to a problem
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Control
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The condition that changes in an experiment.
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Data
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The information that a scientist gets from an experiment.
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Variable
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There should be only one of these in an experiment
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Scientific Law
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A statement that explains "how" something behaves
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Scientific Theory
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An explaination for "Why" something behaves the way it does
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Examples of Scientific Skills
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using equip.,working
cooperatively,making observ,inferring |
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Procedure
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What you follow to conduct an experiment (the directions)
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State the problem
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This must be stated clearly and in question form.
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A Hypothesis
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A scientist must be able to test this by performing an experiment.
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Wafting
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The correct procedure to check for chemical odors
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Problem
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You must know this exists before you solve it.
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Makes a Hypothesis
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This is a prediction a scientist makes after doing research on the topic.
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1) charts
2) tables 3) graphs |
How does a scientist display data he/she receives?
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Observations
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These can be collected by using one's senses.
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Goggles
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Most of the time you should wear these in the lab.
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Triple Beam Balance
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Instrument you use to measure mass.
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Read all directions and cautions
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Before you start an experiment
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1) graduated cylinder
2) flash 3) beaker |
What are three pieces of lab equipment that measure volume
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First Aid Kit
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You get a Boo - Boo, what should you look for?
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Toxic
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Substances that are poisonous are also
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Catch fire easily
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Substances that are flammable can
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Read lables and directions on chemicals before using
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Before you use any chemicals you should
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Don't eat or drink in the lab,wear safety goggles,
keep work area clean |
Name three good laboratory procedures
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Control
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This is used as a "comparison" in an experiment.
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A Conclusion
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A statement made after all data is evaluated. It proves the hypothesis true or false.
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Test Tube Holder
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What you use to hold a test tube when heating something in it.
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Funnel
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What you use to pour liquids into small openings
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Micrometer
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You can use this to measure very thin objects
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Meters
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The Metric System standard unit of length is the
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1cm3 = 1g = 1ml
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These units all equal 1
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A liter
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The Metric System standard unit of volume.
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A Gram
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The Metric System standard unit of mass
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10
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1 cm = _______mm
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1000
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100 cm = ______mm
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100's or the largest
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What beam do you read first on a triple beam balance?
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Zero in the balance
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Do this before you measure something on the balance
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State the Problem
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First step in the Scientific Method
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Do research on the topic
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What should a scientist do after stating the problem?
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Form a Hypothesis
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After researching a problem a scientist can form one of these.
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Doing an experiment
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A scientists tests his/her hypothesis by
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Organize and analyze data
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Scientists use charts, graphs and tables to
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Reach over a bunsen burner
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If you don't want to get burned you should never
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Tie hair back
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You should do this to long hair when working in the lab
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Pyrex, Kimax
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Glassware that can be heated
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Meter Stick
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Used to measure length in the metric system
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Graduated Cylinder
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The most accurate piece of equipment to measure liquid volume
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Ring Stand
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Used to hold equipment, like a beaker over a bunsen burner
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Tens Beam
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Which beam do you move after moving the 100s beam?
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