A scientific problem or question should answered only by research.
What is false?
100
The variable which is changed on purpose in an experiment
What is independent variable?
100
In our class experiment on water contamination, why did I suggest you run the tests twice?
What is a complete sample size
various answers accepted
100
Anna is a picky eater as well as a curious little scientist. While shopping for breakfast cereals, she wants to know which cereal will not get soggy in milk.
What is the independent variable?
What is type of cereal
100
Lulu wants to grow “better” bean plants. She plants bean seeds in many trays. Her hypothesis is that the more moisture the seeds receive, the faster they sprout.
What would be her independent variable and dependent variable?
What is ind-amount of moisture
dep-time it takes to sprout
200
Ted says he has written a computer program that will do your homework for you, Molly wants to check it out before she goes to the movies with him instead of working on her assignment
What characteristic is Molly showing
What is skepticism
200
The measured outcome in an experiment?
What is dependent variable?
200
Why is it important to have a control group?
What is to have something to measure or compare your results with
200
Anna is a picky eater as well as a curious little scientist. While shopping for breakfast cereals, she wants to know which cereal will not get soggy in milk.
What is a possible dependent variable?
What is the sogginess of the cereal
200
Lulu wants to grow “better” bean plants. She plants bean seeds in many trays. Her hypothesis is that the more moisture the seeds receive, the faster they sprout.
What are two possible titles that Lulu could use to graph her results?
What is ...various answers
300
The IV goes on the x-axis and the DV goes on the y-axis.
What is true?
300
In the hypothesis, "If the temperature is decreased, the growth of bacteria will also decrease," the growth of bacteria is this.
What is the dependent variable?
300
Daily double!!! What City is Ms. Marshall from?
Kansas City
300
Anna is a picky eater as well as a curious little scientist. While shopping for breakfast cereals, she wants to know which cereal will not get soggy in milk.
What kind of graph should Anna use? Why?
What is bar graph...he is comparing
300
Lulu wants to grow “better” bean plants. She plants bean seeds in many trays. Her hypothesis is that the more moisture the seeds receive, the faster they sprout. How can she test this? Choose the correct answer:
A. Measure the height of the bean plants a day after watering.
B. Count the number of bean seeds planted in each tray.
C. Record when each bean seed sprouts.
D. Measure the height of the bean plants and compare to the amount of water they receive.
What is C
400
An experiment could be considered invalid because of too many variables.
What is true?
400
The group which is used to help determine that the IV is affecting the DV?
What is control group?
400
How can you make a lab experiment a controlled experiment (scientifically valid)?
What is do it more than once
400
Anna is a picky eater as well as a curious little scientist. While shopping for breakfast cereals, she wants to know which cereal will not get soggy in milk.
How would Anna set up this experiment?
What is various answers
400
Lulu wants to grow “better” bean plants. She plants bean seeds in many trays. Her hypothesis is that the more moisture the seeds receive, the faster they sprout.
Should Lulu use a line graph or a bar graph to represent her data? Why?
What is bar ..she is comparing
500
Mailin realizes there are some wild numbers in third trial of her experiment. She remembers the humidity being higher that day she gathered her data compared to the other days. What scientific characteristic did she fail to use here?
What is awareness of bias
500
Friends School wants to see if students scored better on the test because they chewed gum. What would be the independent variable? What would be the dependent variable?
Independent Variable - Gum
Dependent Variable - Scores on Test
Control Group - No Gum
500
What are three characteristics or skills of scientist?
What is ..any of the 5
500
Anna is a picky eater as well as a curious little scientist. While shopping for breakfast cereals, she wants to know which cereal will not get soggy in milk.
What are at least 3 things that he would have to keep controlled in order for this test to be valid?
What is ... various answers
500
Lulu wants to grow “better” bean plants. She plants bean seeds in many trays. Her hypothesis is that the more moisture the seeds receive, the faster they sprout.
What are at least 2 things that she would have to keep controlled in order for the test to be valid?