VOCABULARY
VARIABLES
METRIC CONVERSIONS
VOCABULARY II
MORE QUESTIONS
100
Descriptions of observations using words.
What is qualitative observations?
100
Justin B. believes that the temperature lowering during the fall months is what causes the color of the leaves to change. He set up an experiment wherein he placed some plants in 80 degrees rooms and some in 60 degree rooms. He then observed the color of the leaves for a total of 1 month. At the end of the month Justin observed that ¾ of the plants in the 60 degree temperature had been to change colors and only ¼ of the plants in the 80 degree temperature began to change colors. What is the independent variable?
What is temperature?
100
0.235 kg = .....dg
What is 2350?
100
A testable explanation about how a change in the independent variable will affect the dependent variable.
What is a hypothesis?
100
Scientists use a ____________ for comparison during an experiment.
a. experimental group b. control group c. variable d. data
200
Factors or conditions that affect the results of a situation or concept and are often tested in an experiment.
What is a variable?
200
One group of students studied with the TV on. Another group of students studied in silence. Students were then given a quiz to check for their understanding. What is the dependent variable?
What is students' quiz grade?
200
Which of the following are equal? a) 5000 L = 50000 ml = 5kL b) 0.650 kL = 650,000 ml = 650 L c) 80,000 ml = 80 L = 0.8 kL
What is b ?
200
The scientific question the scientists wants to investigate.
What is the problem?
200
A controlled experiment allows the scientist to isolate and test _______
a. a conclusion b. a mass of information c. several variables d. a single variable
300
Variables that are kept the same to allow for a fair experiment.
What are controlled variables?
300
If students drink a glass of milk before bed, then it will help them sleep longer. Drinking a glass of milk is the __________ variable.
What is independent?
300
One meter is ________ times bigger than 1 cm.
What is 100?
300
The group that is tested with the independent variable.
What is the experimental group?
300
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 dependent variable?
What is the number of flowers on each bush?
400
The measured outcome of an experiment.
What is the dependent variable?
400
A scientist thinks that ducks swim faster when they are in cold water. He tests two groups of ducks, one in cold water and one in room temperature water. He records how fast they swim. The group of ducks in room temperature water is the __________ group.
What is control?
400
One mm is _______ times smaller than 1 cm.
What is 10?
400
The group that is not tested with the independent variable.
What is the control group?
400
You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured. What is the independent variable?
What is the concentration of salt solutions?
500
The only variable tested and changed by the scientist in an experiment.
What is the independent variable?
500
Place the steps of the scientific method in order. a) make a hypothesis b)define the problem/ask a question c) communicate results d) set up an experiment e) make a conclusion f) record data g) collect information about the problem
What is B, G, A, D, F, E, and C?
500
One km is ___________ times bigger than 1cm.
What is 100,000?
500
Scientists collect evidence by making____________.
What are observations?
500
A farmer wanted to know if ABC fertilizer would be good for his sugar beets. He fertilized all his beets with ABC, but did not put fertilizer on his green bean plants. His beets didn't do well at all, but he got a great crop of green beans. He concluded that ABC fertilizer was a waste of money. What was wrong with the farmer's experiment?
His control group should have consisted of sugar beets instead of green beans. The experimental group and control group should both have the same plants. The only difference is the independent variable--ABC fertilizer.
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