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Q 1/10
Score 0
What is the definition of a dependent variable?
30
None of the these
The variable that is being changed by the scientist
The variable that is being measured
A characteristic that remains the same between both the experimental and control group
Q 2/10
Score 0
If a glass thermometer reads 99 degrees Celsius in boiling water, and a digital thermometer reads 98.2 degrees Celsius, which of the following statements is true?
30
The glass thermometer is more precise than the digital thermometer
The digital thermometer is more accurate than the glass thermometer
The digital thermometer is more precise than the glass thermometer
Both thermometers are equally precise
10 questions
Q.
What is the definition of a dependent variable?
1
30 sec
Q.
If a glass thermometer reads 99 degrees Celsius in boiling water, and a digital thermometer reads 98.2 degrees Celsius, which of the following statements is true?
2
30 sec
Q.
Which of the following is caused by human interactions with the Earth’s system?
3
30 sec
Q.
What is the study of the atmosphere and the processes that produce weather and climate?
4
30 sec
Q.
A scientific idea that is well tested and widely accepted by the scientific community is called a scientific ________________.
5
30 sec
Q.
What is the independent variable?
6
30 sec
Q.
A scientist wants to study the effect of caffiene on student grades. The experimental group is given coffee and the control group is given water. Both groups are given their drink at 8AM every day for a week. The same time every day is an example of a _____________.
7
30 sec
Q.
This is the group in an experiment that the scientist refers to as the ‘normal group’ with nothing changing.
8
30 sec
Q.
A thermometer reads 100 degrees Celsius in boiling water. The scientist measures individual times and gets the same result each time. Is this thermometer accurate, precise, or both?
