- 1. How should the problem always be stated?
A) as a statement
B) as a quote
C) as an exclamation
D) as a question
- 2. Can a hypothesis be wrong?
A) Yes
B) No
- 3. What is a control group?
A) a group that receives extra treatment
B) a group with lots of support
C) a group that we can't measure
D) A group that we compare the test group to
- 4. What are the steps of the scientific process in order?
A) problem, experiment, hypothesis, analyze results, conclusion
B) hypothesis, problem, analyze results, experiment, conclusion
C) problem, hypothesis, experiment, conclusion, analyze results
D) problem, hypothesis, experiment, analyze results, conclusion
- 5. What is the independent variable in the following experiment? Bill wants to figure out what type of battery works best. He buys Brand A, Brand, Brand B, and Brand C. He gets three identical light bulbs and hooks the batteries up to them. After this, he puts them in the dishwasher for 20 minutes. He keeps track of the bulbs until they burn out. Bulb A burns out after 6 hours, Bulb B burns out after 6.5 hours, and Bulb C burns out after 8 hours.
A) The IV is the type of light bulb.
B) The IV is the store he bought the batteries from.
C) The IV is the type of battery
D) The IV is how long the battery lasts.
- 6. What is the control in this experiment? Bob wants to figure which nosecone works best on a rocket. He puts a pointed nosecone on rocket A, a round nosecone on Rocket B, and no nosecone on Rocket C. He launches them in his backyard and again in an open field.
A) Rocket C
B) Rocket A
C) Backyard
D) Rocket B
- 7. What does the conclusion of the experiment do?
A) Answer the problem
B) Confuse people
C) Gather Data
D) Answer the hypothesis
- 8. What is a dependent variable?
A) what we measure in an experiment
B) it depends
C) what we change in an experiment
D) what we compare everything to in the experiment
- 9. What is the error in this experiment? Bill tests wheels on skateboards to see which is fastest. He pushes Bob who has Zippy wheels and measures the distance he travels. Next he pushes Tim with Snappy wheels and measures. Lastly, he pushes Jim on Turbo wheels and measures the distance he travels. They all do the experiment on the same road. Tim goes the farthest.
A) He measured wrong
B) He didn't use the same person for each board
C) Should have used a different road
D) Should have used more types of wheels
- 10. What is the dependent variable in this experiment? Bill is writing an article about what laptops have the longest battery life. He gets three different computers and installs the same operating system on each. He runs a series of on the laptops and comes up with these results. Computer A lasts for 3.4 hours under regular conditions. Computer B lasts 2.6 hours under regular conditions. Computer C lasts 5.1 hours under regular conditions.
A) The time each computer battery lasts
B) The operating systems on the computers
C) The tests run on the computers
D) The different types of computers
|