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A) outdated evidence.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