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- 1. Multiple ChoiceResearch question: does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?How far they kick the soccer ballwho the person ishow well they do on the math testType of soccer ball.
- 2. Multiple ChoiceWhen experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?DependentIndependentControlCompound
- 3. Multiple ChoiceResearch Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?Type of gasolinewhich car the gas is put intohow fast the car can drivehow much gas is put into the car
- 4. Multiple ChoiceAn experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?Type of plantWater, apple juice, milkPlant growthColor of the plant's leaves
- 5. Multiple ChoiceMaria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?Length of the birdfeedersAmount of time feeders are outsideAmount of seed eatenLocation the feeders are put in. - 6. Multiple ChoiceWhat is a factor that is measured for change in an experiment?controlconstantindependent variabledependent variable
- 7. Multiple Choice
How much water does a plant need to grow?
Which are the constant variables?
The type of plant
How much water you use
Location of plant
How much the plant grows
How long you grow the plant
- 8. Multiple Choice
Accuracy is
A measure of how exact a number is.
A measure of how precise a number is.
A measure of how close a number is to its true value.
Based on the number of significant figures
- 9. Multiple Choice
A student measured the mass of a piece of marble and recorded the results in the table below.
The actual value of the mass of the marble is 35.0 g.
With respect to accuracy and precision, the above results are ___________.
accurate and precise
accurate and imprecise
inaccurate and precise
inaccurate and imprecise
- 10. Multiple Choice
Two students used a digital balance to measure the mass of a solid sample.
Each student performed three trials as shown in the table below.
**The actual mass of the solid sample is 6.25g.
Which students data showed HIGH precision
Student 1
Student 2
Both students (both are precise)
Neither student (no one was precise)
- 11. Multiple Choice
Four students measured the mass of a 5.43 g block of metal three times.
Which student had the greatest precision and greatest accuracy?
Student W
Student X
Student Y
Student Z
- 12. Multiple ChoiceIf a lab fire erupts, immediately:A. Notify (or tell) your teacherB. Run and screamC. Throw water at the fireD. Open the windows
- 13. Multiple ChoiceYou are working in the lab using glassware. Your partner drops a glass beaker and it shatters. A piece of glass gets in his eyes. What should he have been wearing?A. GlovesB. Sun glassesC. Safety GogglesD. A lab aporn
- 14. Multiple ChoiceYou are in lab and your partner accidentally gets their hair stuck in a triple beam balance. What should have your partner done?A. Worn a hat in classB. Skipped classC. Got a hair cutD. Tied/pulled their hair back
- 15. Multiple ChoiceIf you see a science experiment set up in the classroom...do not touch anything until instructed.immediately begin working on the lab.go and check all equipment.walk around and check each station.
- 16. Multiple ChoiceHorseplay or practical jokes in the laboratory are...always against the rules.okay.not dangerous.okay if you are working alone.
- 17. Multiple ChoiceYou are heating a substance in a test tube. Always point the open end of the tube...away from all people.toward another classmate.toward your lab partner.toward yourself.
- Answer choicesTagsAnswer choicesTags