The Scientific Method
Independent Variable
What is quantitative data?
Measured and numerical
A visual way to share data from an experiment.
Graph
What charge do the following have:
1. Protons
2. Neutrons
3. Electrons
1. Positive
2. Neutral
3. Negative
When two or more atoms come together, they form a...
Molecular bond
What variable does the experiment measure?
Dependent Variable
What is qualitative data?
Based on observations. quality and descriptions
What axis runs horizontally?
X-Axis
Protons and neutrons are found where?
Nucleus
What are the three types of bonds?
What is an observation?
Knowledge or data gathered through one's senses. (something you can physically see)
What variable is kept the same throughout an experiment?
Standardizing variable or a constant
What axis runs vertically?
Y-Axis
Electrons are found outside of the nucleus in the...
Orbital or valence shell
What type of bond takes or receives an electron from a different atom?
Ionic Bond
What is an inference?
An assumption made from an observation.
What is the group called without the independent variable?
Control Group
A graph allows us to put information in one place to be...
Compared
To be stable, an atom needs 8 valence electrons to be "happy". What is this rule called?
Octet Rule
What type of bond is when atoms are shared between two electrons?
What are the 6 steps to the scientific method?
1. State a problem or ask a question
2. Make an observation or conduct research
3. Form a hypothesis
4. Conduct an experiment
5. Analyze data
6. Draw a conclusion
Referring to the sticky tape activity at the beginning of the year, what was the question, independent, and dependent variable?
Question: Which brand of tape is the stickiest?
Independent: Brand of tape
Dependent: How far the ball rolls
What are the three most important aspects of a graph?
Title, X-Axis Labels, Y-Axis Labels
There is a number located in the top left corner of an element. It tells us the number of protons in that element. What is this number called?
Atomic Number
What type of bond is when one water molecule is attracted to another water molecule?
Hydrogen Bond