1.Which of the following best describes the difference between a scientific hypothesis and a scientific theory?

1.Which of the follow best describes the difference between a …

1.Which of the follow best describes the difference between a scientific hypothesis and a scientific theory ?

a.Once a scientific hypothesis has been prove, it becomes known as a theory. b.A scientific hypothesis must be testable, while a theory does not have to be tested.

c.A scientific guess is a testable premise, while a theory is a well-verified mind used to explain a broad range of phenomenon. d.Only a scientific guess is subject to scrutiny, while a theory does not change. 2.Current scientific cognition says that there is no fluid water on Earth ‘s moon. Under what circumstances is it acceptable for a group of scientists to report testify of water on the moon ? a.Only if newly observations lead to a deepen in our current cognition b.If the scientists wanted to set up a space station on the moon c.If the scientists believed that all objects in the solar system should have water on them d.If a news reputation speculated that water system exists on the lunar month 3.Which of the follow is an model of pure inquiry ? a.Creating new elements to study their properties b.Producing plastics that are heat-resistant to use in ovens c.Determining how to reduce rusting on alloy ships and cargo carriers d.Finding alternatives to gasoline to fuel transportation vehicles 4.How are skill and society connected ? a.Science seeks to answer the needs of society, such as medical advances. b.Society depends on skill to provide improvements in the quality of life sentence. c.Society provides the fund for scientific research. d.All of the above 5.If a fire should begin at your station, you must immediately throw water on it to eliminate the fire. a.TRUE .b.FALSE 6.You watch that a liquid has decreased volume by 23.4 milliliters ( milliliter ) during the duration of an experiment. What is this type of observation ? a.quantitative b.qualitative c.indirect observation

d.a physical variety 7.A burn breaks out at a student ‘s workbench. He should immediately : a.Run and grab the fire extinguisher to put out the burn. b.Notify everyone around him and the teacher immediately that there is a open fire. c.Take off his shirt and attempt to put out the fuel. d.Run out of the lab and yell “ fire ! ” 8.It is evenly accurate to measure volumes with a beaker as with a calibrated cylinder. a.TRUE b.FALSE 9.Because the meniscus of a liquid is curved, you should always read the lead of the meniscus and the bottom of the meniscus, and then divide by two. a.TRUE b.FALSE 10.To accurately measure out 35 milliliters of liquid, you should use : a.a 10-mL field glass pipet several times b.a 50-mL beaker c.a 25-mL graduated cylinder two times d.a 50-mL graduated cylinder one time 11.For measuring the volume of a liquid, beakers are by and large : a.more accurate than gradational cylinders b.less accurate than graduated cylinders c.equally angstrom accurate as gradational cylinders d.always used when highly accurate measurements of liquid volumes are necessary 12.In the constitution of a solution, the solute is : a.the substance that is being dissolved

b.the meaning which does the dissolve c.always the fluid kernel d.always the solid substance