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Ch 1 Section 3 & 4 Life Science

Across
the application of science for practical purposes
A measure of how long an object is
something scientists use to represent an object or event to make it easier to study
made up of mathematical equations and data
a tool that magnifies small objects
a measure of how much surface an object has
models that you can see or touch
a statement or equation that can predict what will happen in certain situations
Down
a scientific explanation that connects and explains many observations
the amount of space an object takes up
use tiny particles called electrons to produce magnified images
a measure of how hot or cold an object is
a description of how something works or is put together
The SI unit for length is the __________ (m).
a measurement of the amount of matter in an object