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experiment
experiment quiz
Question | Answer |
---|---|
what is the first step in an experiment? | Find a problem gather information by observation use 5 senses to identify objects or events |
What is the second step in an experiment? | State a hypothesis or prediction |
What is a hypothesis? | an explanation of how something is supposed to be possible explanation or answer to a questions uses the word effect |
What is a predication? | an if-then statement states in advance the results |
What is the third step in an experiment? | Design the experiment Test the hypothesis |
What is the fourth step in an experiment? | perform the experiment and Analyze the data collect data look for patterns do the experiment many many times to make sure you are correct |
What is the fifth step in an experiment? | Draw a conclusion state the results.....do they support the hypothesis???why or why not |
How do you design an experiment? | 2 groups are: controlled (variable is not changed; used for comparison) experimental (one variable is changed) |
What are 2 types of variables? | independent- what is changed in the experiment dependent- what changes due to the independent variable |
What is a scientific method? | a series of steps used to answer a question or solve a problem |
What is a controlled experiment? | test 1 variable at a time contains a control group. experimental group and a variable |
What is the sixth step in an experiment? | Communication |
What is a theory? | explains why or how something happens |
What is a law? | a fact proven to be true |
What is a qualitative measurement? | uses a description, experiences, collect data in words or images |
What is a quantitative measurement? | real science that collects data in numbers; very exact |