Scientific Knowledge
When observations deal with amounts or NUMBERS they are called:
What is a Quantitative observations
How many independent variables should be tested at a time in a scientific investigation?
One and ONLY ONE!!
One process that scientists use to answer questions about the natural world is....
What is the Scientific Method
How does this law differ from a theory?
Laws describe WHAT happens and Theories describe how or WHY things happen
When would a line graph be most useful?
To show changes over time.
A possible answer to a scientific question that can be tested by scientific investigations is a:
What is a Hypothesis
The variable in the experiment that is being *measured* is called the
What IS THE dependent Variable
What is the first step in the Scientific Method
To ask a question
What is the best definition of the term "theory", as it’s used in science?
a. WELL tested explanations about the natural world that is supported by LARGE amounts of evidence
b. A hunch or logical explanation of why something happens
a. WELL tested explanations about the natural world that is supported by LARGE amounts of evidence
What type of graph best compares multiple sets of data?
Bar Graph
A scientist is collecting data on the number of times a cricket chips per minute. What sense is the scientist most likely using to make observations?
What is Hearing --- A Qualitative Observation
Melissa raises crickets at her pet store that she sells for reptile food. She thinks that crickets chirp more often when the temperature gets warmer. She decides to conduct an experiment...
What is the IV, DV and Constants
IV: Cricket Chirps
DV: Temperature
Constants: Same type of Crickets
After a Scientist collects "Raw" data in an investigation, they must then ________________ the data!
What is ANALYZE
Theory or Law??? Makes NO attempt to explain an event.
What is a Law
How are graphs and models useful in Science
It helps Scientist Represent the too big, too small, and too complicated
The container is filled to the 350 mL mark with water. What type of observation was made?
What is a Quantitative Observation
Mr. Constant wanted to know if different types of music affected people's heart rates, so he played different music and checked their pulses. What is the dependent variable?
Peoples heart rate...
For an explanation, Theory, or Law to be considered scientific, it must be based on ______________
Evidence, Data, Experimentations, and Observations
While speaking to a colleague, a scientist makes the following statement: "I propose that Bald Eagle eggs in northern Maine will have thinner shells than those from birds in southern Alaska due to increased levels of pesticides in the water." This statement is a
What is a Hypothesis
Maggie asked the students in her class to name their favorite flowers. Which graph would BEST represent Maggie's data?
Pie Chart
What is it called when the SAME SCIENTIST repeats their own investigation over and over to ensure THEIR OWN results are accurate?
What is Repetition
What tool would a scientist use to determine the VOLUME of a SOLID OBJECT?
A Meter Stick
The action of copying or reproducing another scientist’s work
What is Replication
Theory or Law??? Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions.
What is a Law
Zombies are inherently getting faster and faster. Which type of graph would show how Zombies speed has increased over the past 5 years?
A Line Graph