The type of data that is reported in numbers (not descriptive words)
What is quantitative data?
200
Number of significant figures in 3,000
What is 1?
200
Scientist who said that atoms cannot be destroyed or created--only rearranged. Also proposed the concept of compounds (combination of two or more atoms).
Who is John Dalton?
200
Element name for H
What is hydrogen?
200
Component of flour that turns iodine black
What is starch?
300
The "boring" or "normal" group of subjects; the group without the treatment that is being tested
What is the control group?
300
Number of cm in 4 m
What is 400?
300
Scientist who discovered the electron through his cathode ray tube experiment
Who is J.J. Thompson?
300
Subatomic particle with no charge and a mass of 1
What is the neutron?
300
Color litmus paper turns in an acid
What is red?
400
The variable that YOU control, which in turn affects a second variable
What is the independent variable?
400
Scientific notation form of 4,500
What is 4.5 x 10^3?
400
Scientist who discovered the charged on the electron through the oil drop experiment
Who is Robert Millikan?
400
Drawing for the structure for Neon, including labeled protons, neutrons and electrons. Neon's atomic number is 10 and its mass is 20.
(see drawing)
400
Element that composes the center of a penny; reacts with HCl to form large bubbles of hydrogen gas.
What is zinc (Zn)?
500
The variable that you do NOT directly change--you simply observe and collect data about its changes.
What is the dependent variable?
500
Scientific notation form of .000032
What is 3.2 x 10^-5?
500
Scientist who discovered the positively charged nucleus through his gold foil experiment
Who is Ernest Rutherford?
500
Drawing of the structure of Sodium, including labeled protons, neutrons and electrons. Sodium's atomic number is 11 and its mass is 23.
(see drawing)
500
4 signs that a chemical reaction has taken place--you must name all 4!
What are gas (bubbles), heat/light, color change, and precipitate?