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 D) outdated evidence.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