A) The length of day is caused by Appollo riding his chariot into the sky. B) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. C) All of the explanations are natural. D) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air.
A) Does voodoo magic cause people to get sick in parts of Africa? B) Are there more people who like red grapes than green grapes? C) Are demons responsible for my car not working? D) Do red grapes taste better than green grapes?
A) the change of the moon’s shape during the month B) A trick in a magic show. C) A solar eclipse. D) lightning
A) Both a and b B) c) Form C) b) Property D) a) Characteristic
A) Theory B) Law C) Hypothesis D) Fact
A) Data B) Variable C) Controlled experiment D) Procedure
A) Proportion B) Function C) System D) Unifying
A) law B) fact C) synopsis D) hypothesis.
A) test a hypothesis. B) communicate results. C) simplify data. D) ask a question.
A) forming expectations. B) summarizing research. C) asking questions. about observations D) accepting investigation results.
A) review evidence. B) focus an investigation. C) change results. D) prove evidence.
A) prove evidence. B) change results. C) draw conclusions. D) focus an investigation.
A) a repeated question. B) new evidence. C) outdated evidence. D) a closed case.
A) numerical order B) chronological order C) alphabetical order D) They do not follow a set order.
A) many variables at once. B) complex data C) conflicting data. D) ne variable at a time.
A) analyze data. B) change data. C) prove a theory. D) investigate a question.
A) forming a hypothesis. B) asking a question. C) drawing conclusions. D) testing a hypothesis.
A) They can make scientific laws based on new discoveries. B) They can honor scientists for their achievements. C) They can include the information in science textbooks. D) They can review evidence to investigate further.
A) asking questions B) analyzing data C) drawing conclusions D) communicating results
A) concept B) theory. 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) evaluate the evidence used. B) question the reasoning behind the explanations. C) review how the scientific methods were used. D) All of the answer choices
A) if the data are correct B) if their results support their hypotheses C) if other scientists agree with them D) if their questions are useful
A) They draw the same conclusions. B) They all agree with the results. C) They review evidence. D) They all disagree with the results.
A) There is new evidence. B) There is no new evidence. C) There results are facts. D) There are no new questions.
A) Function B) Evolution C) Equilibrium D) Cycle
A) Trade-off B) Fact C) Hypothesis D) Theory
A) Trade-off B) Benefits C) Pros D) Cons
A) hypothesis B) measurement C) fact D) theory
A) theory B) hypothesis C) law D) fact
A) The texture was rough. B) The car traveled at 70 miles per hour C) The flower is red. D) The shape was circular
A) There were 6 sides on the shape B) The texture was smooth C) The plant stood 6 cm tall. D) The water was 65 degrees C.
A) input B) output C) component D) interaction
A) interaction B) evolution C) equilibrium D) classification
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 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 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) 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 gets more sunlight then the group that got more sunlight will grow taller because they get more nutrients.
A) 2 B) 4 C) 3 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 then it might be better with my right because I am right 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 shorter then the swing time will also be shorter. 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 longer then swing time will be slower because the pendulum will have to travel further.
A) False B) True
A) True B) False
A) True B) False
A) True B) False
A) Variable B) Hypothesis C) Controlled variable D) Controlled experiment
A) conclusion B) controlled variable C) dependant variable D) hypothesis
A) hypothesis B) conclusion C) dependant variable D) controlled experiment
A) controlled variables B) constants C) both of the answer choices D) none of the answer choices
A) both of the answer choices B) manipulated variable C) independant variable D) none of the answer choices
A) constant B) none of the answer choices C) both of the answer choices D) dependent variable
A) none of the answer choices B) dependant variable C) independant variable D) both of the answer choices
A) none of the answer choices B) dependant variable C) both of the answer choices D) responding variable
A) both of the answer choices B) dependant variable C) manipulated variable D) none of the answer choices
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 am I measuring? C) What do I change? or What am I testing?
A) What am I measuring? B) What do I keep the same? C) What do I change? or What am I testing?
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 keep the same? C) What do I change? or What am I testing?
A) a control B) a reproducible procedure C) multiple trials D) a small sample size
A) analyze data B) make a conclusion C) collect evidence D) develop a procedure
A) 10-15 snails B) more than 15 snails C) 2-5 snails D) 5-10 snails
A) carrots taste dry, and he doesn’t like things that taste dry. B) carrots take a long time to peel, and he doesn’ t like peeling them. C) a raw carrot is hard to chew, and it makes his teeth hurt. D) an uncut carrot is two inches long, and 3 too long to fit in his lunch box.
A) a. time of day B) b. noise levels C) both a and b D) c. none of the above
A) both a and b B) neither a or b C) a. distance D) b. time
A) by increasing the number of days B) by increasing the amount of the salt in the water. C) by increasing the amount of water D) by increasing the number of plants
A) unreliable data B) control data C) qualitative data D) quantitative data
A) people are all the same, and general conclusions can be made. 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) no conclusions can be made about people
A) to explain or analyze something in detail B) to help explain theories C) to replace real things in the natural world D) to help us understand the natural world
A) a mathematical model B) a physical model C) a climate model D) a conceptual model
A) mathematical model. B) conceptual model. C) global model. D) physical model.
A) measure the model. B) choose the right model. C) take apart the model. D) visualize the model.
A) an astronomical model B) a conceptual model C) a physical model D) a mathematical 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 numbers. C) The models have many pages. D) The models have many variables.
A) A line graph would best display the information, because it shows trends clearly. B) A bar graph would best display the information, because it allows you to compare categories quickly. C) A Venn diagram would best display the information, because it shows the relationship between the languages. 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) square units. B) centimeters. C) meters. D) liters.
A) metric ton. B) kilogram. C) cubic meter. D) meter.
A) It reduces the variables in mathematical climate models. B) It does not use fractions or decimals. C) It provides a system that can be used only by scientists. D) It allows scientists everywhere to share and compare data.
A) a cubic meter B) a gram C) a kilogram D) a meter
A) multiply length times width. B) use a thermometer. C) multiply length times width times height. D) divide mass by volume.
A) share data around the world. B) translate data into English. C) base data on many variables. D) note data in multiples of five.
A) All scientists can use them. B) No scientists can use them. C) They are not in English. D) They are always correct.
A) region B) area C) volume D) mass
A) theory B) B) observation C) hypothesis D) law
A) an observation. B) a law. C) a theory D) a hypothesis.
A) watering half the plants with pure water and half with salt water B) h cooling the salt water before watering the plants C) adding food color to see how far the salt penetrates the plants D) g increasing the amount of salt added to the water each day
A) amount of time stirring B) amount of water used C) temperature of the water D) amounts of sugar used
A) Amount of antifreeze added to the water B) Type of thermometer used to measure the freezing point C) Temperature at which the water/antifreeze mixture freezes D) Amount of water put into a container
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 triple-beam balance C) An electronic light meter D) A graduated cylinder
A) Observe and record the time for each ice cube to completely change to a liquid. B) Measure and compare the volume of the pot and the microwave. C) Determine the volume of liquid water made by each ice cube. D) Identify and record the temperature of each ice cube before each trial.
A) because there can only be one correct theory B) to obtain funding for the research C) that research and observations support the theory D) to gain recognition as a great scientist
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) Binoculars B) Pan balance 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 percentage of days that have enough sunlight to power a solar water heater D) The efficiency of solar technology used in that state |