A) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. B) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. C) The length of day is caused by Appollo riding his chariot into the sky. D) All of the explanations are natural.
A) Do red grapes taste better than green grapes? B) Are there more people who like red grapes than green grapes? C) Are demons responsible for my car not working? D) Does voodoo magic cause people to get sick in parts of Africa?
A) lightning B) the change of the moon’s shape during the month C) A trick in a magic show. D) A solar eclipse.
A) Both a and b B) b) Property C) a) Characteristic D) c) Form
A) Theory B) Hypothesis C) Law D) Fact
A) Variable B) Procedure C) Controlled experiment D) Data
A) Function B) Proportion C) System D) Unifying
A) synopsis B) fact C) hypothesis. D) law
A) ask a question. B) communicate results. C) test a hypothesis. D) simplify data.
A) forming expectations. B) summarizing research. C) asking questions. about observations D) accepting investigation results.
A) focus an investigation. B) prove evidence. C) change results. D) review evidence.
A) focus an investigation. B) prove evidence. C) change results. D) draw conclusions.
A) new evidence. B) a closed case. C) outdated evidence. D) a repeated question.
A) numerical order B) They do not follow a set order. C) chronological order D) alphabetical order
A) conflicting data. B) ne variable at a time. C) complex data D) many variables at once.
A) prove a theory. B) change data. C) investigate a question. D) analyze data.
A) forming a hypothesis. B) testing a hypothesis. C) drawing conclusions. D) asking a question.
A) They can review evidence to investigate further. B) They can make scientific laws based on new discoveries. C) They can honor scientists for their achievements. D) They can include the information in science textbooks.
A) analyzing data B) communicating results C) asking questions D) drawing conclusions
A) theory. B) concept C) model D) investigation
A) is often used to explain scientific models. B) is not useful in predicting the future. C) is a single hypothesis. D) ties together many hypotheses and observations.
A) review how the scientific methods were used. B) All of the answer choices C) question the reasoning behind the explanations. D) evaluate the evidence used.
A) if their questions are useful B) if their results support their hypotheses C) if the data are correct D) if other scientists agree with them
A) They all disagree with the results. B) They review evidence. C) They all agree with the results. D) They draw the same conclusions.
A) There is new evidence. B) There are no new questions. C) There results are facts. D) There is no new evidence.
A) Cycle B) Equilibrium C) Function D) Evolution
A) Fact B) Trade-off C) Theory D) Hypothesis
A) Trade-off B) Cons C) Benefits D) Pros
A) theory B) hypothesis C) measurement D) fact
A) hypothesis B) fact C) theory D) law
A) The car traveled at 70 miles per hour B) The shape was circular C) The texture was rough. D) The flower is red.
A) The texture was smooth B) The water was 65 degrees C. C) There were 6 sides on the shape D) The plant stood 6 cm tall.
A) input B) component C) output D) interaction
A) equilibrium B) interaction C) classification D) evolution
A) I predict that people who listen to music will work faster because they will be more motivated. B) If there are 2 groups of people 1 litening to music while working and the other not then the group who listens to music will have a faster average time because they mill be motivated by the music. C) If the beat to the music is fast then they c. will work faster because they will be more motivated. D) If people listen to music while working then they will work faster because music is like magic
A) If fertilizer is added to 1 group of plants gets more sunlight then the group that got more sunlight will grow taller because they get more nutrients. B) If fertilizer is added to 1 group of plants and no fertilizer is added to the other group of plants then the group that got fertilizer will be shorter because they get more nutrients. C) If fertilizer is added to 1 group of plants and no fertilizer is added to the other group of plants then the group that got fertilizer will grow taller because they get more nutrients. D) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow.
A) 2 B) 4 C) 3 D) 1
A) I predict that I will catch better with my left hand B) If I try to catch the ball then it might be better with my right because I am right handed. C) If I try to catch the ball with either my left or my right hand then I will be able to catch the ball more times with my left hand because I am left handed D) I will catch the ball more times with my left hand because I am left handed.
A) If the string is longer then swing time will be slower because the pendulum will have to travel further. B) If the string is shorter then the swing time will also be shorter. C) I predict that if I make the string longer the swing time will be longer because the pendulum will travel a longer distance. D) If the length of the string changes then swing time might be longer or shorter because you will change the length of string.
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) Controlled experiment B) Variable C) Hypothesis D) Controlled variable
A) hypothesis B) controlled variable C) conclusion D) dependant variable
A) controlled experiment B) conclusion C) hypothesis D) dependant variable
A) none of the answer choices B) constants C) controlled variables D) both of the answer choices
A) manipulated variable B) both of the answer choices C) none of the answer choices D) independant variable
A) constant B) none of the answer choices C) both of the answer choices D) dependent variable
A) both of the answer choices B) dependant variable C) none of the answer choices D) independant variable
A) both of the answer choices B) responding variable C) none of the answer choices D) dependant variable
A) both of the answer choices B) dependant variable C) none of the answer choices D) manipulated variable
A) What do I keep the same? B) What do I change? or What am I testing? C) What am I measuring?
A) What am I measuring? B) What do I keep the same? C) What do I change? or What am I testing?
A) What do I keep the same? B) What do I change? or What am I testing? C) What am I measuring?
A) What do I keep the same? B) What do I change? or What am I testing? C) What am I measuring?
A) What do I change? or What am I testing? B) What do I keep the same? C) What am I measuring?
A) What do I keep the same? B) What do I change? or What am I testing? C) What am I measuring?
A) a control B) a reproducible procedure C) a small sample size D) multiple trials
A) make a conclusion B) develop a procedure C) analyze data D) collect evidence
A) 5-10 snails B) more than 15 snails C) 2-5 snails D) 10-15 snails
A) carrots taste dry, and he doesn’t like things that taste dry. B) a raw carrot is hard to chew, and it makes his teeth hurt. C) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. D) carrots take a long time to peel, and he doesn’ t like peeling them.
A) c. none of the above B) b. noise levels C) both a and b D) a. time of day
A) neither a or b B) both a and b C) a. distance D) b. time
A) by increasing the number of plants B) by increasing the number of days C) by increasing the amount of the salt in the water. D) by increasing the amount of water
A) qualitative data B) unreliable data C) control data D) quantitative data
A) each person is different, so concluions can only be made about individual people. B) people are all the same, and general conclusions can be made. C) people vary in their responses, but general conclusions can be made. D) no conclusions can be made about people
A) to help us understand the natural world B) to help explain theories C) to replace real things in the natural world D) to explain or analyze something in detail
A) a physical model B) a climate model C) a conceptual model D) a mathematical model
A) physical model. B) conceptual model. C) mathematical model. D) global model.
A) take apart the model. B) choose the right model. C) measure the model. D) visualize the model.
A) a mathematical model B) an astronomical model C) a physical model D) a conceptual model
A) a debate theory B) a question C) an inquiry D) a model
A) a conceptual model B) a mathematical model C) a physical model D) a telescopic model
A) The models have many variables. B) The models have numbers. C) The models have many pages. D) The models are on a disk.
A) A Venn diagram would best display the information, because it shows the relationship between the languages. B) A line graph would best display the information, because it shows trends clearly. C) A bar graph would best display the information, because it allows you to compare categories quickly. D) A circle graph would best display the information, because it allows you to compare the different categories to the whole.
A) It uses the smallest possible numbers. B) It preserves the system used in England long ago. C) Its units are based on objects that vary in size. D) It can be used by scientists everywhere.
A) centimeters. B) meters. C) square units. D) liters.
A) cubic meter. B) meter. C) metric ton. D) kilogram.
A) It reduces the variables in mathematical climate models. B) It allows scientists everywhere to share and compare data. C) It provides a system that can be used only by scientists. D) It does not use fractions or decimals.
A) a cubic meter B) a kilogram C) a gram D) a meter
A) use a thermometer. B) multiply length times width times height. C) multiply length times width. D) divide mass by volume.
A) note data in multiples of five. B) share data around the world. C) translate data into English. D) base data on many variables.
A) All scientists can use them. B) They are not in English. C) No scientists can use them. D) They are always correct.
A) area B) mass C) volume D) region
A) theory B) law C) hypothesis D) B) observation
A) a law. B) a hypothesis. C) an observation. D) a theory
A) g increasing the amount of salt added to the water each day B) watering half the plants with pure water and half with salt water C) adding food color to see how far the salt penetrates the plants D) h cooling the salt water before watering the plants
A) amount of time stirring B) amounts of sugar used C) amount of water used D) temperature of the water
A) Type of thermometer used to measure the freezing point B) Temperature at which the water/antifreeze mixture freezes C) Amount of water put into a container D) Amount of antifreeze added to the water
A) Temperature at which the water/antifreeze mixture freezes B) Type of thermometer used to measure the freezing point C) Amount of antifreeze added to the water D) Amount of water put into a container
A) A triple-beam balance B) A spring scale C) An electronic light meter D) A graduated cylinder
A) Determine the volume of liquid water made by each ice cube. B) Observe and record the time for each ice cube to completely change to a liquid. C) Identify and record the temperature of each ice cube before each trial. D) Measure and compare the volume of the pot and the microwave.
A) to obtain funding for the research B) to gain recognition as a great scientist C) because there can only be one correct theory D) that research and observations support the theory
A) To keep other game fish species populations low B) To have people spend more money on fishing C) To keep a healthy population of adult fish D) To have enough fish for zoo aquariums
A) pH paper B) Pan balance C) Binoculars D) Microscope
A) The efficiency of solar technology used in that state B) The percentage of days that have enough sunlight to power a solar water heater C) The number of sunny days per year and the amount of solar power used per year D) The location and type of solar cells used in that state |