SOL PS 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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| state the question or problem | first step; the purpose of the experiment
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| research | using computers, books, and interviews to find out information about the topic before making a hypothesis
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| hypothesis | an educated guess about the outcome of an experiment; must be testable
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| Experiment | testing the hypothesis
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| Independent Variable | what is changed on purpose at the beginning of the experiment; manipulated variable
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| Dependent Variable | what is measured in the end; responding variable
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| constants | things that remain the same throughout the experiment; not changing
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| control | the normal or plain way of doing something that is used as a comparison group
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| procedures | directions for completing an experiment
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| data | information collected during an experiment
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| record and analyze data | step that involves creating a graph
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| conclusion | the last step; a statement as to whether or not the hypothesis is supported by the data or not
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| repeated trials | the number of times the experiment is performed; each trial should be done the exact same way
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| Example of a Problem | What is the effect of the color of light on plant growth?
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| Example of research | interview an expert
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| Example of a hypothesis | If different colored lights are used, then a plant will grow the tallest in white light.
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| Example of procedures | 1. Measure the starting height of 9 plants. 2. Place 3 plants in white light, 3 plants in red light, and 3 plants in purple light. 3. Water the plants daily for 1 week 4. Measure the height of the 9 plants to determine how much each plant has grown.
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| Example of an independent variable | color of the light bulbs
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| example of a dependent variable | growth of the plant
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| Examples of constants | soil, water, type of plant, time under lights
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| Example of a control | plants growm in white or yellow light
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| Example of a conclusion | The hypothesis was supported by the data because the plants grown in white light grew the most in the 1 week period of time.
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| Example of quantitative data | 2inches taller, 4 flowers, 10 leaves
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| Examples of Qualitative data | yellowish leaves, wilted stem
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| Example of repeated trials | 3 plants under each bulb
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| qualitative observations | not measurable such as color, texture, smell, taste
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| quantitative observations | can be measured to provide a number such as length, weight, temperature, time
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| length | distance between two points, includes height
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| mass | amount of matter in the object
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| weight | pull of gravity on the mass of an object
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| volume | amount of space an object occupies
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| density | amount of matter in a certain space (mass/volume)
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| balance | tool used to measure mass in grams
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| graduated cylinder | tool used to measure liquid volume in mL
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| water displacement | using a change in water level to determine the volume of an object
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| meter | basic unit of length in the metric system (SI)
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| liter | basic unit of volume in the metric system (SI)
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| gram | basic unit of mass in the metric system (SI)
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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:
sford
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