A) All of the explanations are natural. B) The length of day is caused by Appollo riding his chariot into the sky. 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) Are demons responsible for my car not working? B) Are there more people who like red grapes than green grapes? C) Does voodoo magic cause people to get sick in parts of Africa? D) Do red grapes taste better than green grapes?
A) A solar eclipse. B) A trick in a magic show. C) lightning D) the change of the moon’s shape during the month
A) c) Form B) a) Characteristic C) b) Property D) Both a and b
A) Law B) Theory C) Fact D) Hypothesis
A) Controlled experiment B) Data C) Procedure D) Variable
A) Proportion B) Unifying C) Function D) System
A) hypothesis. B) synopsis C) law D) fact
A) test a hypothesis. B) ask a question. C) simplify data. D) communicate results.
A) asking questions. about observations B) summarizing research. C) accepting investigation results. D) forming expectations.
A) prove evidence. B) review evidence. C) change results. D) focus an investigation.
A) draw conclusions. B) prove evidence. C) focus an investigation. D) change results.
A) a repeated question. B) new evidence. C) a closed case. D) outdated evidence.
A) chronological order B) numerical order C) alphabetical order D) They do not follow a set order.
A) ne variable at a time. B) conflicting data. C) complex data D) many variables at once.
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 review evidence to investigate further. B) They can include the information in science textbooks. C) They can honor scientists for their achievements. D) They can make scientific laws based on new discoveries.
A) drawing conclusions B) analyzing data C) asking questions D) communicating results
A) concept B) investigation C) theory. D) model
A) is a single hypothesis. B) is often used to explain scientific models. C) ties together many hypotheses and observations. D) is not useful in predicting the future.
A) review how the scientific methods were used. B) question the reasoning behind the explanations. C) All of the answer choices D) evaluate the evidence used.
A) if other scientists agree with them B) if their questions are useful C) if their results support their hypotheses D) if the data are correct
A) They all agree with the results. B) They review evidence. C) They all disagree with the results. D) They draw the same conclusions.
A) There are no new questions. B) There is no new evidence. C) There is new evidence. D) There results are facts.
A) Function B) Equilibrium C) Cycle D) Evolution
A) Theory B) Fact C) Trade-off D) Hypothesis
A) Pros B) Cons C) Trade-off D) Benefits
A) hypothesis B) theory C) measurement D) fact
A) law B) hypothesis C) theory D) fact
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 plant stood 6 cm tall. B) There were 6 sides on the shape C) The water was 65 degrees C. D) The texture was smooth
A) input B) interaction C) output D) component
A) interaction B) evolution C) classification D) equilibrium
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) 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. 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) 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 be shorter because they get more nutrients.
A) 3 B) 2 C) 4 D) 1
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 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 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) True B) False
A) False B) True
A) False B) True
A) False B) True
A) Controlled experiment B) Hypothesis C) Controlled variable D) Variable
A) hypothesis B) conclusion C) controlled variable D) dependant variable
A) controlled experiment B) dependant variable C) conclusion D) hypothesis
A) both of the answer choices B) controlled variables C) none of the answer choices D) constants
A) manipulated variable B) both of the answer choices C) none of the answer choices D) independant variable
A) constant B) dependent variable C) both of the answer choices D) none of the answer choices
A) none of the answer choices B) both of the answer choices C) independant variable D) dependant variable
A) dependant variable B) both of the answer choices C) none of the answer choices D) responding variable
A) none of the answer choices B) dependant variable C) both of the answer choices D) manipulated variable
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) 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 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) a small sample size B) multiple trials C) a reproducible procedure D) a control
A) make a conclusion B) analyze data C) collect evidence D) develop a procedure
A) 2-5 snails B) 5-10 snails C) 10-15 snails D) more than 15 snails
A) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. 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) carrots taste dry, and he doesn’t like things that taste dry.
A) a. time of day B) both a and b C) c. none of the above D) b. noise levels
A) a. distance B) b. time C) both a and b D) neither a or b
A) by increasing the number of days B) by increasing the number of plants C) by increasing the amount of water D) by increasing the amount of the salt in the water.
A) quantitative data B) unreliable data C) control data D) qualitative data
A) people are all the same, and general conclusions can be made. B) each person is different, so concluions can only be made about individual people. C) no conclusions can be made about people D) people vary in their responses, but general conclusions can be made.
A) to help us understand the natural world B) to replace real things in the natural world C) to explain or analyze something in detail D) to help explain theories
A) a physical model B) a climate model C) a conceptual model D) a mathematical model
A) global model. B) physical model. C) conceptual model. D) mathematical model.
A) visualize the model. B) measure the model. C) take apart the model. D) choose the right model.
A) a physical model B) an astronomical model C) a conceptual model D) a mathematical model
A) a question B) a model C) an inquiry D) a debate theory
A) a mathematical model B) a telescopic model C) a conceptual model D) a physical model
A) The models have many variables. B) The models are on a disk. C) The models have many pages. D) The models have numbers.
A) A bar graph would best display the information, because it allows you to compare categories quickly. 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 line graph would best display the information, because it shows trends clearly.
A) It preserves the system used in England long ago. B) It uses the smallest possible numbers. C) It can be used by scientists everywhere. D) Its units are based on objects that vary in size.
A) centimeters. B) square units. C) meters. D) liters.
A) cubic meter. B) metric ton. C) meter. D) kilogram.
A) It allows scientists everywhere to share and compare data. B) It provides a system that can be used only by scientists. C) It reduces the variables in mathematical climate models. D) It does not use fractions or decimals.
A) a meter B) a cubic meter C) a gram D) a kilogram
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) All scientists can use them. B) They are not in English. C) No scientists can use them. D) They are always correct.
A) area B) volume C) mass D) region
A) hypothesis B) theory C) B) observation D) law
A) a law. B) a theory C) a hypothesis. D) an observation.
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) amounts of sugar used B) amount of time stirring C) temperature of the water D) amount of water used
A) Amount of water put into a container B) Amount of antifreeze added to the water C) Temperature at which the water/antifreeze mixture freezes D) Type of thermometer used to measure the freezing point
A) Amount of water put into a container B) Type of thermometer used to measure the freezing point C) Amount of antifreeze added to the water D) Temperature at which the water/antifreeze mixture freezes
A) An electronic light meter B) A graduated cylinder C) A spring scale D) A triple-beam balance
A) Measure and compare the volume of the pot and the microwave. B) Determine the volume of liquid water made by each ice cube. C) Identify and record the temperature of each ice cube before each trial. D) Observe and record the time for each ice cube to completely change to a liquid.
A) that research and observations support the theory B) to gain recognition as a great scientist C) because there can only be one correct theory D) to obtain funding for the research
A) To keep other game fish species populations low B) To keep a healthy population of adult fish C) To have people spend more money on fishing D) To have enough fish for zoo aquariums
A) pH paper B) Binoculars C) Pan balance 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 |