Scientific Method 1
What is the 1st step of the scientific method?
Ask a Question
What is a hypothesis
An educated guess
What is the last step of the scientific method?
Communicating and Sharing Results
A graph that demonstrates portion of a whole
A pie/circle graph
True or False?
A penguin is a mammal.
False
What kind of data is this?
Most of my textbooks have over 240 pages.
Quantitative
Type of data that is...
- a description of what is being observed
-Moods, feelings
Qualitative
We compare our experimental data by including a
A. Control Group
B. Uncontrolled Group
C. Experimental Group
D. Observation Group
A: Control Group
This type of graph is used to show data for categories.
A bar graph
80% of all animal species on Earth are from this group.
Insects
In an experiment, the factor that we measure is called the
dependent variable.
What must a hypothesis be?
Testable and falsifiable
Which of the following hypotheses is written most correctly?
A) If a tennis ball is frozen, it won't bounce as high
B) If I heat up a tennis ball it will bounce high.
C) Frozen tennis balls will not bounce as high.
D) If I freeze a tennis ball, then it will not bounce as high.
D) If I freeze a tennis ball, then it will not bounce as high.
The dependent variable on a graph is on the _ axis
y-axis
This is the largest animal to have ever lived on Earth.
The blue whale
The higher the temperature of water, the faster the eggs will cook. INDEPENDENT VARIABLE?
A. Temperature of water
B. Times for eggs to cook
A. Temperature of water
What variable is deliberately changed in a situation?
A. Independent variable
B. Dependent variable
A. Independent variable
What are all the things in an experiment that must be held the same called?
What are controlled variables or constants
The independent variable on a graph is on the _ axis
x-axis
How many bones does a shark have in its body?
Zero! Sharks are a cartilaginous fish.
What is experimental bias and a way to prevent it?
Interpreting information based on how we want things to turn out.
A placebo, blind test, or double blind test
What are the three types of variables?
Independent, Dependent, and Control
A) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.
B) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.
C) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
D) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.
C) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
This type of graph is used to show data that is in some way connected , like how something changes over time or rate?
What color is the blood inside your body?
Dark red. Although your veins appear blue, human blood contains hemoglobin and hemoglobin is a red protein, so the blood in your body is dark red.