Page 22 - Science Course 1 (Book 1)
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Mo. 1 - L2c What are Tools Used by Scientist?
Mo1-L2c What are Tools Used by Scientist? Microscopes, such as dissecting
microscopes and compound light
KEY CONCEPTS: microscopes, enable you to
1. What are some tools used by scientists? observe small objects that you
cannot observe with just your
Let’s Begin eyes.
Scientific Tools
Science journals are for recording descriptions,
explanations, plans, and steps used in scientific A magnifying lens is a hand-held
inquiry. lens that magnifies, or enlarges,
an image of an object.
? PLAN To observe items using a com-
pound light microscope, you must
place it on a thin, rectangular
piece of glass called a slide.
A triple-beam balance or a digital balance is used by
scientists to measure mass.
Scientists use dissecting tool
such as scalpels and scissors, to
examine tissues, organs, or
prepared organisms.
A pipette is a small glass or plastic
Definition Measuring Unit Location tube used to draw up and transfer
tool liquids.
Mass The amount Balance g, kg Not
of matter in changed
an object by pH paper is used to quickly
location estimate the acidity of a liquid
Weight The amount of Scale Newton Changed substance.
gravitational (N) by
force acting on location
an object
A thermometer measures
the temperatures Hot plates are used to heat
of substances. substances in the laboratory.
Flasks, beakers, petri dishes, test tubes, and
specimen jars are used as containers.
Scientists use stopwatches to
measure the time it takes for an
event to occur.
Graduated cylinders are used to A spring scale is used to measure the
measure the volume of a liquid. weight or the amount of force applied to
The unit of measure for liquid an object.
volume is the liter (L) or milliliter
(mL).
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