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Ch. 1 Science Skills

Study Guide

What does a line graph look like? A line
What are the building blocks of all matter? Atoms
In which step of the scientific method is information obtained through the senses? Observation
What is true about scientific theories? They can't be proven.
What is the most important safety rule? Follow teacher's directions.
Laboratory procedures: pull hair back, safety glasses, no jewelry, safety gloves, closed toe shoes, no loose fitting attire, apron, etc.
What is the type of graph used to show how a part of something relates to the whole? Pie graph
What is the relationship in which the ratio of the manipulated variable and the responding variable is constant? Controlled.
How do scientists communicate the results of investigations? Tables, graphs, models, etc.
In a graph showing temperature change of a material over time, temperature change is which variable? Manipulated variable.
The 1st step of an experiment is what? Observations
What is a hypothesis? A proposed answer to a question.
What is a control? The part that stays the same.
Studying the effect of one thing on another in order to test a hypothesis is a what? Experiment
What are the units to measure volume? cubic meter (cm3)
What are the units to measure length? meter (m)
What are the units to measure mass? kilogram (kg)
Where does the dependent variable go on a graph? y axis
Where does the independent variable go on a graph? x axis
How do you calculate density? mass / volume
What is the relationship between mass and volume? Helps find the density.
Created by: frankivagnozzi16