Practice test Unit 1 Flashcards
Who came up with laws about motion, including gravity, and published a book called principia
Isaac newton 
What is matter?
Anything that occupies space and has a mass
Who discovered Electrons?
J.J Thompson
Who was the first man to organize the periodic table of elements?
Dmitri Mendeleev
Who propose that all matter was made up of atoms?
John dalton
What is accuracy?
Describes how close your measured value is to a true or known value.
What is bias
A process where the scientist influences the Influences the results to obtain a desired outcome 
What is an experiment?
A process that uses controlled conditions to test the hypothesis
What is critical thinking?
The process of making a reasonable judgment that is both logical and well thought out.
What is Measurement?
Taking what you observed, and expressing it as a number 
What is energy?
A property that can be converted or transferred from one object to another
What is a trend?
The general direction in which a graph is moving
What is science? 
A process used to gain knowledge about something through observation and investigation
What is scientific theory?
The explanation of a phenomenon, through the use of several investigations of a scientific method
Ancient Egyptian’s practice chemistry when they did __________?
Metallurgy
What is a scientific law?
A statement that describes what is happening in nature based on repeated experiments under the same conditions
What is an inference? 
An Interpretation of some thing you have observed 
Alicia Is doing research on the types of insects that live in her neighborhood. What type of research is this? 
Descriptive research
Which portion of the sentence represents a sample?
Mark has a rock collection with over 605 rocks. Of those rocks, 225 rocks are a type of metamorphic rock.
225 rocks
The branch of science that focuses on the study of matter and energy is called __________?
Physical science
The study of composition and structure of matter, and how matter undergoes chemical reactions is ____?
Chemistry
Before it was an official type of science_______ Was a blend of alchemy and astronomy.
Physics
Archimedes and Isaac Newton both used _____ To explain their observations.
Math
What step of the scientific method is this?
The average birth weight of the chimpanzees in the study are shown in the circle graph.
Analyze data and draw conclusions
What step of the scientific method is this?
How does light intensity before bed affect one’s ability to sleep?
Problem question
What step of the scientific method is this?
Look at how the ground Forms of crack right there. I wonder how that happened?
Observation
_______ Is the unit used to measure length
Meters
______ Is the unit used to measure temperature
Celsius
Is a unit used to measure volume in liquid
Liters 
It’s a unit used to measure volume in solids 
Cm3
Is the unit used to measure mass or weight?
Grams
_______ Is the unit used to measure density 
G/cm3
Logic that starts with a small observation, or question, and ends in a broad generalization or theory is called ___________ reasoning
Inductive
To ________ Is to share with others all that you discovered 
Communicate
______ Is the group objects together, based on a shared attribute 
Classify
What type of experiment did Martina perform?
Applied
What is the correct number of significant figures of 0.0026?
2
What is the correct number of significant figures for 60?
1
