vocabulary for chapter 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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hypothesis | a hypothesis is a statement of what you think will happen during an investigation.
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observation | an observation is something you find out about objects, events, or living things by using your senses.
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experiment | an experiment is the use of scientific methods to test your hypothesis.
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variable | a variable is something that can change in a test.
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control group | a control group is the group that does not get the product.
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procedures | procedures are step-by-step instruction for completing a task.
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model | models are often used to study things that are very large, have many parts, or are difficult to observe directly.
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survey | a survey is a question that are answered by people.
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sampling | scientists examine random individuals from a population.
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independent variable | an independent variable is one that you can control.
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dependent variable | a dependent variable is the variable that is measured and will change when the independent variable changes.
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control group | a control group is a standard against which change is measured
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experimental group | the experimental group is the same as the control group except that one factor has been changed.
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data | information from which a conclusion can be drawn or a prediction can be made
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precision | the ability to constantly repeat a measurement
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accuracy | the ability to make a measurement that is as close to the correct value
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inference | a conclusion based on observations
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evidence | observations that make you believe something is true
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mallory-thompson
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