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1st 3 Weeks Vocab

TermDefinition
Bunsen Burner Uses a flame to heat objects.
Notebook Used to record data.
Hot Plate Uses electricity to heat objects.
Test Tube Glass tube used to hold liquids.
Graduated Cylinder Used to measure the exact amount and volume of liquids.
Meter Stick Used to measure length.
Stopwatch Used to measure time
Eyedropper Allows you to add a small amount of liquid one drop at a time
Spring Scale Measures the weight of an object (affected by gravity)
Triple Beam Balance Measures the mass of an object (not affected by gravity)
Gloves Used to protect hands
Goggles Used to protect eyes
Funnel Makes pouring easier
Lab Apron Used to protect clothing
Strainer or Sieve Separates bigger materials from smaller ones
Waft Fan the air to get the scent of the smell
Dispose To throw away or get rid of something
Prevent To keep something from happening
Procedures Steps followed during an experiment
Variable The part of an experiment that either changes or is controlled
Scientific Method Problem, hypothesis, materials, procedure, observations, and conclusion
Observation Noticing something about the world around you
Inference Using clues to find the answer
Classify To put into groups
Investigation The scientific process used to answer questions by collecting data; you can change one variable and everything else stays the same
Hypothesis An educated guess that is backed by reasonable information
Data Information found during an investigation that is recorded and organized
Conclusion The end of an investigation where you determine if your hypothesis was correct
Mass How much matter is in something. Measured in grams and always stays the same.
Volume How much space something takes up. Measured in liters or milliliters.
Thermometer Measures temperature
Buoyancy Able to float because of its shape and because it is less dense than water
Density The amount of molecules in matter that allow it to float or sink
Weight The measurement of the pull of gravity on an object
Gravity A force that pulls towards the center of a heavenly body
Physical Properties Parts of an object that can be observed using the five senses
States of Matter Solid, liquid, and gas
Physical Change A change from one form to another without creating a new substance (ice melting, cutting paper, shredding cheese)
Chemical Change A change that produces a new substance (metal rusting)
Matter Anything that has mass and takes up space
Molecules A particle of matter made up of two or more atoms
Solid Matter that has a definite shape and definite volume
Liquid Matter that has a definite volume but not a definite shape
Gas Matter that does not have a definite shape or a definite volume
Boiling Point of Water 100 degrees Celsius
Freezing Point of Water 0 degrees Celsius
Melting Point of Water 0 degrees Celsius
Evaporation The point at which water turns to water vapor
Condensation The point at which water vapor turns back into liquid water
Magnetism The force of attraction or repel between two objects usually metal (iron, nickel, cobalt, and steel)
Attract A force that causes objects to pull together
Repel A force that causes objects to push back or away from one another
Created by: Mr. Minett