Jeopardy FeudUnit 1

September 24, 2014

1

• When you hear the word scientist, you may imagine a person in a white coat working in a laboratory. However, anyone, including you, can think like a scientist. What would a person who is thinking like a scientist do?• A. asking testable questions• B. talking with friends• C. form opinions about science• D. take a chemistry class in school

A. Asking a testable question

22

• Science research works to create theories and laws, not facts and truths. Why is the conclusion reached via valid scientific inquiry not considered to be a hard fact?• A. It is impossible to know all of the details used

to reach the conclusion.• B. Science requires that all conclusions must be

examined from all vantage points.• C. New information and data may eventually

become available.• D. It is impossible to examine all available data

fully.C. New information and data may eventually become available

3

• At one time, scientists proposed a principle called the central dogma. This principle stated that in the body, a chemical substance called DNA contains information. This information passes from DNA to RNA, but not from RNA to DNA. Then in 1970, scientists proved that some types of RNA can transfer information to DNA. What can you conclude from this information?• A. Scientists have made many life-saving discoveries.• B. Scientists work together to advance scientific

knowledge.• C. Scientists often respond to what they see as needs in

society.• D. Scientists may find new information that causes them

to modify their ideas. D Scientists may find new information that causes them to modify their ideas

18

• A good experiment has several characteristics. Which characteristic is part of a good scientific experiment?• A. Results can be reproduced.• B. Results are not reviewed by peers.• C. Results are based on a small sample size.• D. Results are based on an undisclosed process

or procedure

A. Results can be reproduced

26

• Is it a law or a theory?

Rock layers found deeper are older than shallower layers

Law

4

• Scientists do many types of work. Their work often includes making field observations, conducting surveys, creating models, and carrying out experiments. Which description characterizes an experiment?• A. observation of plants or animals in their natural

environment• B. physical or mathematical representation of an

object or process• C. an organized procedure to study something under

controlled conditions• D. collection of data from the unregulated world for

comparative purposesC. an organized procedure to study something under controlled conditions

24

• Smitty drops a rock from a set height and measures the time it takes the rock to reach the ground. He uses this time and the distance of the fall to calculate the average speed of the rock. He tests four rocks of different masses. Which question is Smitty investigating?• A. What causes an object to accelerate?• B. How does mass affect the speed of a falling object?• C. How does mass affect the force exerted by an

object?• D. How does the free-fall height affect the speed of a

falling object?

B. How does mass affect the speed of a falling object?

5

• Gemma wants to investigate the rain forest ecosystem of the Amazon jungle in South America. To conduct the experiment, Gemma uses plants, reptiles, and insects native to New Jersey, where she lives, to build a terrarium such as the one shown in the following figure Which limitation is true of Gemma’s experiment?• A. It does not model the interaction

of certain insects and plants.• B. It does not model the interaction

of certain reptiles and plants.• C. It does not model the interaction

of certain reptiles and insects.• D. It does not model the exact

conditions of nature in the Amazon

D. It does not model the exact conditions of nature in the Amazon

27 DOUBLE POINTS

• You must get all answers correct to earn all the points

You want to test which size of soccer (football) ball is easiest to juggle with your feet. You test a size 3, size 4 and a size 5 ball. You count the seconds the ball stays in the air for each of the trial. You allow your self to use both of your feet, knees and head to juggle the ball.

• What is the independent variable, dependent variable and standardizing variable?

IV: Different size ballsDV: Seconds ball stays in the airSV: Using all soccer balls

6• Raul wants to investigate how the angle of a ramp

affects the speed of an object rolling down the ramp. He can conduct his investigation in a number of different ways. Which investigation should he perform?• A. observe different bicyclists riding down hills of varying

steepness• B. record the time it takes one bicyclist to ride down hills

of varying steepness• C. perform an experiment in a lab in which the angle of

the ramp is controlled and the speed of a rolling cart is measured

• D. observe video of various objects rolling down hills and estimate the angle of the hill and the speed of the object

C. perform an experiment in a lab in which the angle of the ramp is controlled and the speed of a rolling cart is measured

7• In 1989, two university research scientists reported

that they had produced a nuclear reaction during a simple tabletop experiment. Other scientists, however, were unable to reproduce the results of the original experiment. What characteristic of a good scientific investigation is missing from the original results?• A. The results were made public.• B. The research was conducted at a university.• C. The results of the experiment were not

reproducible.• D. The experiment did not include sophisticated

equipment.C. The results of the experiment were not reproducible.

9• The table shows how the theory of atoms has changed

over time What do these changes show about the current theory of the atom?• A. It is good because it adapts to include new

information.• B. It is good because it is from a reliable source.• C. It is bad because it is likely to change again.• D. It is bad because it does not match the original

theory of the atom.

A. It is good because it adapts to include new information

19

• Anton is a geologist. He wants to get the best possible information about lava flows from eruptions that are happening at some specific locations around the world. He wants to be able to vary what he studies based on his initial findings. Which type of investigation should Anton conduct?• A. a survey• B. fieldwork• C. library research• D. a laboratory investigation

B. fieldwork

10

• Which of the following statements about scientific laws and theories is correct?• A. A law explains; a theory predicts.• B. A law describes; a theory explains.• C. A law predicts; a theory guesses.• D. A law is fact; a theory is a guess

B. A law describes; a theory explains

20

• Two students conduct the same experiment, but they get different results. What should the students do next?• A. The students should check their procedure and

tools for sources of error.• B. Both students should throw out their data and

start over.• C. The students should compare data with other

students and then use the data from the student who was closest to the rest of the class.

• D. The students should find the average of each data set and each report the average data.

A. The students should check their procedure and tools for sources of error.

28 Double pointsThe graph represents the results of an investigation of the growth of three identical bacterial cultures incubated at different temperatures. Which inference can be made from this graph?

A. Temperature is unrelated to the reproductive rate of bacteria.

B. Bacteria cannot grow at a temperature of 5°Celsius.

C. Life activities in bacteria slow down at high temperatures.

D. Refrigeration will most likely slow the growth of these bacteria.

D. Refrigeration will most likely slow the growth of these bacteria.

2

• A television station in Miami reported that a jury had reached a verdict. How did the people on this jury act like scientists when they reached their verdict?• A. by asking questions• B. by drawing a conclusion• C. by talking with each other• D. by performing their civic duty

B. By drawing a conclusion

17

• Although they may not realize it, many people need scientific knowledge for their careers. An example is shown in the following illustration. How is this person using scientific knowledge?• A. by planning ahead• B. by using the proper tools• C. by taking the time to avoid

mistakes• D. by using the metric system

when measuringD. by using the metric system when measuring

25

• Is it a law or a theory?

“As galaxies move farther apart from each other, they move faster. A galaxy’s speed is proportional to its distance.”

Theory

12

• A student predicted that black paper will get warmer in sunlight than a piece of white paper. He performed an experiment to test his prediction four times. The black paper was warmer three times, and the white paper was warmer once. What might have caused the RESULTS to be DIFFERENT?• A. A thermometer measures temperature differently on

white paper and on black paper.• B. Variables other than the color of paper might have not

been constant.• C. Results just differ from trial to trial and do not hve to

be the same.• D. The color of the paper does not affect the temperature

of the paper.B. Variables other than the color of paper might have not been constant.

23• Evie was researching the question “what type of

animals live in a wetland?” Which report would provide the most accurate answer to her question?• A. "Water Quality in Wetlands," published by the

United States Geological Survey• B. "Endangered Species in Our Wetlands," by a reporter

for the Daily Globe Newspaper• C. "Birds of Wetlands," in Science, the Journal for the

American Association for the Advancement of Science• D. "Organisms in Wetlands," a report on the internet by

the Chesapeake Bay Foundation

D. "Organisms in Wetlands," a report on the internet bythe Chesapeake Bay Foundation

16

• The procedure and data table for an experiment are shown here. • Step 1: Add approximately 25 mL of water to a 50-mL graduated cylinder.• Step 2: Measure and record the initial volume of the water to the nearest 0.1 mL.• Step 3: Carefully slide the object into the graduated cylinder. Measure and

record the final volume of the water to the nearest 0.1 mL.• Step 4: Determine the volume of the object by subtracting the measurements in

steps 2 and 3. After making several of these measurements, the students analyzed the data.

What pattern in the data could be used to predict the final volume if the initial volume is known?• A. The final volume is the sum of the initial volume and the volume of the object.• B. The initial volume is the sum of the final volume and the volume of the object.• C. The volume of the object is the sum of the initial volume and the final volume.• D. The final volume is the difference between the initial volume and the volume

of the object.

A. The final volume is the sum of the initial volume and the volume of the object

8

11

• When conducting a good experiment, which of the following is least important?• A. Creating a clear hypothesis• B. Choosing a topic that has never been

examined• C. Making accurate observations• D. Making sure all of the non-variable factors

are constantB. Choosing a topic that has never been examined

13

• Which source should a scientific researcher reject because of unreliability?• A. textbook• B. government brochure• C. webpage of a university professor• D. advertisement promoting a product

D. advertisement promoting a product

15

• This diagram shows one type of model of the brain. Which item represents another type of brain model?• A. a copy of the human skull• B. the results of a lie detector

test• C. the results of an

intelligence test• D. a three-dimensional brain

x-ray

D. a three-dimensional brain x-ray

21

• In an experiment, the data collected is a measurement of what?• A. Constant conditions• B. Independent variable• C. Dependent variable• D. Conclusion

C. Dependent variable

14

• Scientists need to know how gravity acts on a space shuttle so they can put the space shuttle into orbit. They use an equation that describes how gravity relates to the mass of two objects and the distance between the two objects. Which term describes this equation?• A. a scientific law• B. an observation• C. a model• D. a scientific theory

A. a scientific law