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) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. 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) the change of the moon’s shape during the month B) A solar eclipse. C) A trick in a magic show. D) lightning
A) c) Form B) a) Characteristic C) b) Property D) Both a and b
A) Fact B) Theory C) Law D) Hypothesis
A) Procedure B) Data C) Controlled experiment D) Variable
A) System B) Proportion C) Unifying D) Function
A) fact B) hypothesis. C) synopsis D) law
A) simplify data. B) communicate results. C) test a hypothesis. D) ask a question.
A) accepting investigation results. B) asking questions. about observations C) summarizing research. D) forming expectations.
A) focus an investigation. B) prove evidence. C) review evidence. D) change results.
A) focus an investigation. B) change results. C) prove evidence. D) draw conclusions.
A) outdated evidence.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) ne variable at a time. B) conflicting data. C) many variables at once. D) complex data
A) analyze data. B) investigate a question. C) prove a theory. D) change data.
A) forming a hypothesis. B) testing a hypothesis. C) asking a question. D) drawing conclusions.
A) They can include the information in science textbooks. B) They can honor scientists for their achievements. C) They can review evidence to investigate further. D) They can make scientific laws based on new discoveries.
A) asking questions B) analyzing data C) communicating results D) drawing conclusions
A) theory. B) concept C) investigation D) model
A) is often used to explain scientific models. B) is not useful in predicting the future. C) is a single hypothesis. D) ties together many hypotheses and observations.
A) question the reasoning behind the explanations. B) review how the scientific methods were used. C) All of the answer choices D) evaluate the evidence used.
A) if the data are correct B) if their questions are useful C) if other scientists agree with them D) if their results support their hypotheses
A) They review evidence. B) They all agree with the results. C) They all disagree with the results. D) They draw the same conclusions.
A) There is new evidence. B) There results are facts. C) There are no new questions. D) There is no new evidence.
A) Evolution B) Equilibrium C) Cycle D) Function
A) Hypothesis B) Trade-off C) Fact D) Theory
A) Cons B) Pros C) Trade-off D) Benefits
A) measurement B) hypothesis C) fact D) theory
A) hypothesis B) fact C) law D) theory
A) The texture was rough. B) The flower is red. C) The car traveled at 70 miles per hour 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) output B) input C) component D) interaction
A) evolution B) equilibrium C) classification D) interaction
A) 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. 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) I predict that people who listen to music 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 be shorter 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) 4 B) 3 C) 2 D) 1
A) If I try to catch the ball then it might be better with my right because I am right 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) I will catch the ball more times with my left hand because I am left handed.
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 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) If the string is shorter then the swing time will also be shorter.
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) Controlled experiment B) Controlled variable C) Hypothesis D) Variable
A) hypothesis B) controlled variable C) conclusion D) dependant variable
A) conclusion B) dependant variable C) hypothesis D) controlled experiment
A) none of the answer choices B) constants C) controlled variables D) both of the answer choices
A) both of the answer choices B) none of the answer choices C) manipulated variable D) independant variable
A) dependent variable B) both of the answer choices C) constant D) none of the answer choices
A) independant variable B) dependant variable C) none of the answer choices D) both of the answer choices
A) none of the answer choices B) both of the answer choices C) dependant variable D) responding variable
A) none of the answer choices B) both of the answer choices C) dependant variable D) manipulated 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 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 do I keep the same? C) What am I measuring?
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 change? or What am I testing? C) What do I keep the same?
A) a reproducible procedure B) a control C) multiple trials D) a small sample size
A) analyze data B) collect evidence C) develop a procedure D) make a conclusion
A) 10-15 snails B) 2-5 snails C) more than 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) 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) a. time of day C) b. noise levels D) both a and b
A) a. distance B) both a and b C) neither a or b D) b. time
A) by increasing the amount of water B) by increasing the number of plants C) by increasing the amount of the salt in the water. D) by increasing the number of days
A) unreliable data B) quantitative data C) control data D) qualitative data
A) people vary in their responses, but 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 are all the same, and general conclusions can be made.
A) to replace real things in the natural world B) to explain or analyze something in detail C) to help us understand the natural world D) to help explain theories
A) a physical model B) a conceptual model C) a climate model D) a mathematical model
A) global model. B) conceptual model. C) mathematical model. D) physical model.
A) take apart the model. B) measure the model. C) visualize the model. D) choose the right model.
A) a mathematical model B) a physical model C) a conceptual model D) an astronomical model
A) an inquiry B) a model C) a debate theory D) a question
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 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 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 can be used by scientists everywhere. B) It preserves the system used in England long ago. C) Its units are based on objects that vary in size. D) It uses the smallest possible numbers.
A) centimeters. B) square units. C) meters. D) liters.
A) kilogram. B) metric ton. C) cubic meter. D) meter.
A) It does not use fractions or decimals. B) It reduces the variables in mathematical climate models. C) It allows scientists everywhere to share and compare data. D) It provides a system that can be used only by scientists.
A) a cubic meter B) a meter C) a gram D) a kilogram
A) multiply length times width. B) divide mass by volume. C) multiply length times width times height. D) use a thermometer.
A) note data in multiples of five. B) share data around the world. C) base data on many variables. D) translate data into English.
A) All scientists can use them. B) They are always correct. C) No scientists can use them. D) They are not in English.
A) area B) volume C) mass D) region
A) law B) hypothesis C) B) observation D) theory
A) a law. B) a hypothesis. C) a theory D) an observation.
A) watering half the plants with pure water and half with salt water B) g increasing the amount of salt added to the water each day C) adding food color to see how far the salt penetrates the plants D) h cooling the salt water before watering the plants
A) temperature of the water B) amount of time stirring C) amounts of sugar used D) amount of water used
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) Amount of antifreeze added to the water B) Type of thermometer used to measure the freezing point C) Amount of water put into a container D) Temperature at which the water/antifreeze mixture freezes
A) A graduated cylinder B) An electronic light meter C) A spring scale D) A triple-beam balance
A) Determine the volume of liquid water made by each ice cube. B) Observe and record the time for each ice cube to completely change to a liquid. C) Measure and compare the volume of the pot and the microwave. D) Identify and record the temperature of each ice cube before each trial.
A) to obtain funding for the research B) to gain recognition as a great scientist C) that research and observations support the theory D) because there can only be one correct theory
A) To have enough fish for zoo aquariums B) To keep a healthy population of adult fish C) To keep other game fish species populations low D) To have people spend more money on fishing
A) Pan balance B) pH paper C) Microscope D) Binoculars
A) The number of sunny days per year and the amount of solar power used per year B) The location and type of solar cells used in that state 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 |