A) All of the explanations are natural. 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) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis.
A) Are demons responsible for my car not working? 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) Do red grapes taste better 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) Both a and b B) a) Characteristic C) c) Form D) b) Property
A) Theory B) Hypothesis C) Law D) Fact
A) Variable B) Data C) Controlled experiment D) Procedure
A) Unifying B) Proportion C) System D) Function
A) fact B) law C) synopsis D) hypothesis.
A) simplify data. B) test a hypothesis. C) ask a question. D) communicate results.
A) summarizing research. B) forming expectations. C) accepting investigation results. D) asking questions. about observations
A) prove evidence. B) focus an investigation. C) review evidence. D) change results.
A) focus an investigation. B) prove evidence. C) change results. D) draw conclusions.
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 B) outdated evidence.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) many variables at once. B) complex data C) ne variable at a time. D) conflicting data.
A) prove a theory. B) change data. C) investigate a question. D) analyze data.
A) asking a question. B) drawing conclusions. C) testing a hypothesis. D) forming a hypothesis.
A) They can make scientific laws based on new discoveries. B) They can review evidence to investigate further. C) They can honor scientists for their achievements. D) They can include the information in science textbooks.
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) is not useful in predicting the future. C) ties together many hypotheses and observations. D) is often used to explain scientific models.
A) All of the answer choices B) review how the scientific methods were used. C) evaluate the evidence used. D) question the reasoning behind the explanations.
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 draw the same conclusions. C) They all disagree with the results. D) They all agree with the results.
A) There results are facts. B) There is new evidence. C) There is no new evidence. D) There are no new questions.
A) Equilibrium B) Cycle C) Function D) Evolution
A) Hypothesis B) Fact C) Theory D) Trade-off
A) Trade-off B) Benefits C) Pros D) Cons
A) fact B) measurement C) theory D) hypothesis
A) theory B) hypothesis C) law D) fact
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 water was 65 degrees C. C) There were 6 sides on the shape D) The plant stood 6 cm tall.
A) component B) input C) output D) interaction
A) classification B) evolution C) equilibrium D) interaction
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 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. 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 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) 3 C) 1 D) 4
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) I will catch the ball more times with my left hand because I am left handed. D) 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
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) If the string is longer then swing time will be slower because the pendulum will have to travel further. 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) True B) False
A) True B) False
A) False B) True
A) False B) True
A) Hypothesis B) Variable C) Controlled experiment D) Controlled variable
A) controlled variable B) conclusion C) hypothesis D) dependant variable
A) dependant variable B) hypothesis C) controlled experiment D) conclusion
A) none of the answer choices B) controlled variables C) both of the answer choices D) constants
A) manipulated variable B) both of the answer choices C) independant variable D) none of the answer choices
A) both of the answer choices B) dependent variable C) none of the answer choices D) constant
A) none of the answer choices B) independant variable C) dependant variable D) both of the answer choices
A) responding variable B) none of the answer choices C) both of the answer choices D) dependant variable
A) both of the answer choices B) none of the answer choices C) manipulated variable D) dependant variable
A) What do I keep the same? B) What am I measuring? 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) 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 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 am I measuring? C) What do I change? or What am I testing?
A) a control B) a small sample size C) multiple trials D) a reproducible procedure
A) collect evidence B) analyze data C) develop a procedure D) make a conclusion
A) 10-15 snails B) 5-10 snails C) more than 15 snails D) 2-5 snails
A) a raw carrot is hard to chew, and it makes his teeth hurt. B) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. C) carrots take a long time to peel, and he doesn’ t like peeling them. D) carrots taste dry, and he doesn’t like things that taste dry.
A) b. noise levels B) both a and b C) c. none of the above D) a. time of day
A) both a and b B) a. distance C) neither a or b D) b. time
A) by increasing the number of plants B) by increasing the amount of water C) by increasing the amount of the salt in the water. D) by increasing the number of days
A) control data B) unreliable data C) quantitative data D) qualitative data
A) no conclusions can be made about people B) people vary in their responses, but general conclusions can be made. C) each person is different, so concluions can only be made about individual people. D) people are all the same, and 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 physical model B) a climate model C) a mathematical model D) a conceptual model
A) physical model. B) mathematical model. C) global model. D) conceptual model.
A) choose the right model. B) take apart the model. C) visualize the model. D) measure the model.
A) a mathematical model B) a conceptual model C) a physical model D) an astronomical model
A) a debate theory B) a model C) an inquiry D) a question
A) a physical model B) a telescopic model C) a conceptual model D) a mathematical 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 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) Its units are based on objects that vary in size. B) It can be used by scientists everywhere. C) It uses the smallest possible numbers. D) It preserves the system used in England long ago.
A) square units. B) centimeters. C) liters. D) meters.
A) metric ton. B) kilogram. C) cubic meter. D) meter.
A) It does not use fractions or decimals. B) It reduces the variables in mathematical climate models. 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 gram C) a meter D) a cubic meter
A) divide mass by volume. B) use a thermometer. C) multiply length times width times height. D) multiply length times width.
A) base data on many variables. B) translate data into English. C) note data in multiples of five. D) share data around the world.
A) They are always correct. B) No scientists can use them. C) All scientists can use them. D) They are not in English.
A) volume B) mass C) region D) area
A) hypothesis B) law C) B) observation D) theory
A) a theory B) a law. C) a hypothesis. D) an observation.
A) g increasing the amount of salt added to the water each day B) h cooling the salt water before watering the plants C) adding food color to see how far the salt penetrates the plants D) watering half the plants with pure water and half with salt water
A) amount of water used B) temperature of the water C) amount of time stirring D) amounts of sugar used
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) Amount of antifreeze added to the water B) Amount of water put into a container C) Temperature at which the water/antifreeze mixture freezes D) Type of thermometer used to measure the freezing point
A) An electronic light meter B) A spring scale C) A graduated cylinder D) A triple-beam balance
A) Observe and record the time for each ice cube to completely change to a liquid. 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) Measure and compare the volume of the pot and the microwave.
A) because there can only be one correct theory B) that research and observations support the theory C) to gain recognition as a great scientist D) to obtain funding for the research
A) To keep a healthy population of adult fish B) To have people spend more money on fishing C) To have enough fish for zoo aquariums D) To keep other game fish species populations low
A) pH paper B) Pan balance C) Binoculars D) Microscope
A) The efficiency of solar technology used in that state B) The number of sunny days per year and the amount of solar power used per year C) The location and type of solar cells used in that state D) The percentage of days that have enough sunlight to power a solar water heater |