Scientific Inquiry - Quiz 1

What is the final step of scientific method? a. communicating results b. collecting data c. proving the hypothesis d. writing a conclusion

a. communicating results

The creation of graphs usually occurs during _____. a. data analysis b. data collection c. observation d. questioning

a. data analysis

Accurate data _____. a. is free from error b. proves a hypothesis c. disproves a hypothesis d. is always precise

a. is free from error

A hypothesis _____. a. must be tested b. is supported by large amounts of data c. is accepted by the scientific community d. must be proven true for an experiment to be worthwhile

a. must be tested

What is the best way to make sure an experiment is precise? a. repeat it several times b. make careful observations c. use proper measuring tools d. ask another person to help

a. repeat it several times

The hypothesis for Jamie's experiment is "If temperature increases, then the rate at which ice melts will increase." Which of the following is the independent variable? a. temperature b. ice c. how fast ice melts

a. temperature

Albert Einstein discovered the theory of continental drift. a. True b. False

b. False

Jose times how long sugar takes to dissolve in warm water. He conducts four trials of his experiment. What should he conclude from his data? Trial Time 1 30 seconds 2 32 seconds 3 10 seconds 4 29 seconds a. Sugar does not dissolve in water. b. The time recorded for Trial 3 may be inaccurate. c. His experiment has very low precision.

b. The time recorded for Trial 3 may be inaccurate.

Choose all the answers that apply. Megan wants to find out if the color of light affects the growth of a plant. Which of the following should be controls? a. light color b. amount of light c. type of plant

b. amount of light c. type of plant

Observations _____. a. always express a quantity or amount b. are based on the five senses c. will only be accepted if they are repeatable d. will always be correct if they are made carefully

b. are based on the five senses

Hypothesis a. is based on data analysis b. is a reasonable answer to a question c. is developed after the experiment is designed d. must be proven true for the experiment to be meaningful

b. is a reasonable answer to a question

Which of the following statements is true? a. If a hypothesis is proven false, a mistake has been made in the experiment. b. The independent variable is what changes as a result of the dependent variable. c. Changes in the independent variable cause changes in the dependent variable. d. Once a hypothesis is proven true, it becomes a theory and cannot be disproved.

c. Changes in the independent variable cause changes in the dependent variable.

Which of the following is the best example of a hypothesis? a. Water makes plants grow. b. If a plant receives water, it will grow. c. If a plant receives water, then it will grow faster. d. When a plant receives water, it grows.

c. If a plant receives water, then it will grow faster.

Which of the following would not be considered an observation in terms of the scientific method? a. looking at a blood sample through a microscope b. tasting a pasta sauce after adding a new ingredient c. a dog buries a bone in the backyard d. listening to bats of different materials hitting a baseball

c. a dog buries a bone in the backyard

Conclusions _____. a. are formed before the experiment begins b. can only be made if the hypothesis is proven true c. are made from careful analysis of data d. are experimental factors which do not change

c. are made from careful analysis of data

Observations a. always come before questioning b. can only be made using special equipment c. are made using the five senses d. are the final steps of the scientific method

c. are made using the five senses

Choose all the answers that apply. Which of the following occurs during data analysis? a. observations are made b. data is collected c. graphs are created d. mathematical calculations are completed e. statistical information is calculated

c. graphs are created d. mathematical calculations are completed e. statistical information is calculated

The scientific method _____. a. can answer all scientific questions b. was developed during the 20th century c. provides an organized way to answer scientific questions d. begins with the design of an experiment

c. provides an organized way to answer scientific questions

Maggie is using her cat in an experiment on animal intelligence. Which of the following statements is true? a. Maggie's experiment is poorly designed. b. Since Maggie is using her own cat, her hypothesis will be proven false. c. Maggie does not like her cat, so it is impossible for her to be biased. d. If Maggie gives her cat an unfair advantage, her experimental results will be biased.

d. If Maggie gives her cat an unfair advantage, her experimental results will be biased.

Which of the following statements is true? a. The scientific method is based on personal judgment. b. Every Thursday Patrick eats pizza. This is a cause and effect relationship. c. A false hypothesis means there is something wrong with the experiment. d. Sharing an experiment with a friend is a great way to communicate results.

d. Sharing an experiment with a friend is a great way to communicate results.