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 C) outdated evidence.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