Scientific Method
A series of steps designed to help you solve problems and answer questions
A) scientific method
B) experiment
C) hypothesis
D) observation
A) scientific method
When a scientist shares her findings with other scientists, she is
A) analyzing data
B) making a hypothesis
C) experimenting
D) communicating results
D) communicating results
What is the 1st step to the scientific method?
Observe/Ask a Question
What is biogenesis
All living things come from pre-existing living things.
Biology is the _______________
study of life
Once a scientist completes an experiment should they repeat using the exact same materials?
Yes they should
What is the Scientific Method
It is a way to solve problems
The process of obtaining information by using the senses is called a/an
A) observation
B) scientific method
C) inquiry
D) conclusion
A) observation
Type of graph that best shows change over time is...
Line Graph
Define qualitative data..
descriptions and involve characteristics that cannot be counted
Describe what a control group is:
Group that is used to compare results. Does NOT receive the experimental Independent Variable.
What are the three types of variables?
Independent, dependent, and constant
What is an independent variable?
Thing that is manipulated in an experiment.
What is the study of the interaction of organisms with one another and with their environment.
Ecology
Name 5 characteristics of life
Varied:
1. are made up of units called cells
2. reproduce
3. are based on a universal genetic code called DNA
4. grow and develop
5. obtain and use materials and energy
6. respond to their environment
7. maintain a stable internal environment in a process called homeostasis
8. change over time
Procedures must be...
detailed and specific
Scientists test a hypothesis by
A. | formulating questions. |
B. | designing models. |
C. | doing experiments. |
D. | drawing conclusions. |
C.
doing experiments.
Which of the following steps to solve a problem is completed last?
A. | analyzing data |
B. | recognizing and identifying the problem |
C. | drawing conclusions |
D. | testing a hypothesis |
C.
drawing conclusions
The independent variable is on what axis?
X-axis or horizontal axis
What is a micron?
The unit of measurement used to measure things under the microscope
What skill is a scientist using when she listens to the sounds that whales makes.
A) making a hypothesis
B) interpreting data
C) making observations
D) drawing conclusions
C) making observations
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) Make an observation, 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) Make an observation, ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
Identify the step of the scientific method completed in the description below.
Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.
Form a hypothesis
How does an electron microscope work?
It uses a stream of electrons. Magnets guide the stream of electrons toward the specimen, and the image is projected on a photographic plate.
a membrane