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 B) outdated evidence.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