This group is compared to the other groups as the one that does not get the independent variable.
What is control group?
100
The one factor being tested in an experiment.
What is independent/manipulated variable.
100
Is the thing that will change, that you intend to measure.
What is dependent/respondent variable.
100
Must stay the same between the groups.
What is control variables or constants.
100
The first step of the scientific Process.
What is identifying a problem or asking a question?
200
You decide you want to compare which music makes you fall asleep faster. Week 1 you listen to rock music. Week 2 you listen to country music. Week 3 you listen to classical music. Week 4 you listen to no music. What is the control?
What is week 4
200
Is the size of fish affected by the depth of the ocean they live? What would be the IV?
What is depth of ocean.
200
A group of scientists test the behavior that women find men without earrings more attractive than men with earrings. What is the IV?
What is men wearing earrings.
200
You are testing if different amount of light affect plant growth. What needs to be the same between all the plants for experiment to be valid?
What is soil, fertilizer, type of plants, amount of water, time of test
200
The if...then statement that is testable.
What is a hypothesis.
300
Miss Andersen wants to know if watching a particular TV show will improve her students counting skills. She had three groups of 10 students. One group watched the TV show for 30 minutes a day for 1 week. She had another group watch a different TV show for the same amount of time, and the third group did not watch any counting show. Which is the control group?
CG= The group that watched nothing.
300
Is photosynthesis production of starch faster when plants are exposed to different amounts of light?
What would be the DV?
What is amount of starch produced.
300
Children who entered kindergarten at age 5 were compared with children who entered kindergarten at age 6 on measures of academic achievement taken at grade 5. Results indicate that children who entered kindergarten at age 6 scored higher on standardized tests than those kids that entered at age 5. What is the DV?
What is score on standardized test.
300
The values do not change during or between experiments:
What are Constants.
300
The part of the scientific method to where the data is collected.
What is the experiment.
400
Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily.
What is the pea plant with no water.
400
Spending time with a pet animal decreases the amount of stress right before taking a test.
What is the respondent variable?
What is the amount of stress.
400
Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. What is the DV?
What is the number of roses on each bush.
400
One tank of gold fish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What are the controls?
What is 3 tanks of goldfish, 6 week study, weight recorded daily.
400
After you have recorded and analyzed the data, you must draw one of these.
What is a conclusion.
500
The design of a good experiment needs what variables clearly defined?
What is has one control group, independent variable, dependent variable, and controls.
500
You water three sunflower plants with salt water. Each plant receives a different concentration of the salt solution. A fourth plant receives just water. After two weeks, the height of the plants is measured. What is the IV? DV? and Control Group?
IV= The amount of salt in the solutions
DV= The height of the plants
CG= The plant that receives no salt in the water.
500
Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
IV?
DV?
Control Group?
What is IV-different humidity levels
DV-Height of redwood tree
CG-Tree kept outside
500
In order for a experiment to be valid and develop creditable data this is needed. You need this to compare your results to.
What is a control group.
500
In this step, you create a graph or a chart of the data you collected.