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Science 7

Life Science Unit I Review

QuestionAnswer
define Metric System a system of measurement developed by the French that is based on the number 10 and its multiples; aka International System of Units aka SI
length the distance between two points
volume the amount of space an object takes up
mass a measure of the amount of matter in an object
weight a measure of the attraction between two objects due to gravity
temperature a measure of the amount of heat energy in something
English System system of measurement used in the United States
What will stay the same if you travel to the moon? mass
What will change if you travel to the moon? weight
Why is the Metric System easy to use? It is based on the number 10 and its multiples
What is the metric system? Units of Measure Length Mass and Weight Volume Temperature
What are the two types of measurement system and where are they used? English System – used in the USA Inches, feet, pounds, gallons Metric System – used outside the USA *used by all scientists worldwide*
what do scientists use metric units to measure? Length Volume Mass Weight Temperature
Describe the units of measurement for length? Based on the meter (m) Meter Stick 1 meter = 39.4 inches (little more than a yard) For large distances, the kilometer (km) is used Kilo = 1000 1 km = 1000 m or about 5 city blocks
King Hector died by drinking chocolate milk What does the mnemonic device stand for? k – kilo h – hecto d – deka b – base meter liter gram d – deci c – centi m - milli
What the common language of measurement used by scientists all over the world? Metric System
What is the 6-step process that scientists use world-wide so that experiments can be easily duplicated? Scientific Method
what is the statement that has been tested and supported by a great amount of evidence? law
what is a rotating piece that holds the objective lenses? nose piece
What is a conclusion drawn without having all of the facts? assumption
what on the microscope regulates the amount of light shown on a specimen? diaphragm
what is a statement describing (but not explaining) a natural event or phenomenon? theory
Who is Leeuwenhoek? Father of Microscopy
Created by: kolinchakm
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