Variables
Scientific Method
Observations
Theories & laws
Bonus Questions
100
The variable that is being changed
The Independent Variable
100
What do scientific investigations begin with?
Asking a question or observing a problem
100
What are the 2 different types of observations?
Qualitative and Quantitative
100
What is a theory and what is a law?
A theory is an explanatory principle. A law is a descriptive principle.
100
What is the formula for density?
200
The variable that is being measured
The Dependent Variable
200
What is a prediction that also gives you your variables?
A hypothesis
200
Answer 1 & 2:
1. What type of observation is numerical?
2. What type of observation is descriptive?
1. Quantitative
2. Qualitative
200
Which principle describes, and which explains?
Describes: Law
Explains: Theory
200
What is weathering and erosion?
Weathering: Breaking down rock
Erosion: Moving rock
300
What does DRY MIX stand for?
Dependent/Responding Variable; Y-axis
Manipulated/Independent Variable; X-axis
300
What is organized in graphs, charts or tables?
Data
300
What type of observations are 1 & 2:
1. There are 5 ducks in a pond.
2. The ducks are yellow.
1. Quantitative
2. Qualitative
300
1. What is a theory mostly based on?
2. What is a law mostly based on?
1. Inference
2. Observation
300
How are igneous Rocks formed?
When hot, molten rock crystallizes and solidifies
400
When graphing:
1. Independent variable on what axis?
2. Dependent variable on what axis?
3. Title goes where?
1. X-axis
2. Y-axis
3. Top of the grid
400
1. Repeating your experiment multiple times to get more accurate data is called what?
2. Asking another scientist to repeat your exact experiment so you can compare data is called what?
1. Repetition
2. Replication
400
What is an observation?
The process of observing something using your 5 senses
400
What are observations made during an experiment considered?
Experimental data
400
Which rock layer is the oldest:
Layer E
500
In this experiment: "You wonder whether a plant grows better if you mist it with water. You get a sense of how the plant is growing without being misted and then compare this with growth after you start misting it", what is the control group?
The plants growing without being misted
500
Where did Ted's experiment go wrong:
1. Ted get two slices of bread, puts them into the toaster, and presses the button. his bread doesn't toast. "Why didn't my bread get toasted?"
2. Hypothesis=The toast didn't toast because the electrical outlet is broken.
3. Conclusion=The toast did not get toasted because the toaster was plugged into a broken outlet.
Ted did not actually test his hypothesis and get data to support or reject it
500
What is the observation here:
Ted get two slices of bread, puts them into the toaster, and presses the button. his bread doesn't toast. "Why didn't my bread get toasted?"
Ted observed that his bread did not get toasted
500
Is Gravitation an example of a theory or a law?
Gravitation is an example of a theory
500
T=Tall t=Short
What percent of plants will be tall and short:
75% Tall, 25% Short