A) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. B) All of the explanations are natural. C) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. D) The length of day is caused by Appollo riding his chariot into the sky.
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) lightning B) the change of the moon’s shape during the month C) A solar eclipse. D) A trick in a magic show.
A) b) Property B) Both a and b C) a) Characteristic D) c) Form
A) Fact B) Hypothesis C) Law D) Theory
A) Variable B) Controlled experiment C) Data D) Procedure
A) Function B) Unifying C) System D) Proportion
A) hypothesis. B) synopsis C) fact D) law
A) test a hypothesis. B) simplify data. C) communicate results. D) ask a question.
A) summarizing research. B) asking questions. about observations C) forming expectations. D) accepting investigation results.
A) focus an investigation. B) review evidence. C) prove evidence. D) change results.
A) prove evidence. B) change results. C) focus an investigation. D) draw conclusions.
A) new evidence. B) outdated evidence. C) a repeated question. D) a closed case.
A) numerical order B) chronological order C) They do not follow a set order. D) alphabetical order
A) conflicting data. B) complex data C) ne variable at a time. D) many variables at once.
A) change data. B) analyze data. C) prove a theory. D) investigate a question.
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 honor scientists for their achievements. C) They can include the information in science textbooks. D) They can make scientific laws based on new discoveries.
A) asking questions B) drawing conclusions C) communicating results D) analyzing data
A) concept B) investigation C) model D) theory.
A) is a single hypothesis. B) is not useful in predicting the future. C) is often used to explain scientific models. D) ties together many hypotheses and observations.
A) evaluate the evidence used. B) All of the answer choices C) question the reasoning behind the explanations. D) review how the scientific methods were used.
A) if other scientists agree with them B) if their results support their hypotheses C) if the data are correct D) if their questions are useful
A) They all agree with the results. B) They draw the same conclusions. C) They all disagree with the results. D) They review evidence.
A) There results are facts. B) There are no new questions. C) There is new evidence. D) There is no new evidence.
A) Equilibrium B) Evolution C) Function D) Cycle
A) Theory B) Fact C) Trade-off D) Hypothesis
A) Cons B) Pros C) Trade-off D) Benefits
A) theory B) measurement C) hypothesis D) fact
A) fact B) theory C) law D) hypothesis
A) The texture was rough. B) The shape was circular C) The flower is red. D) The car traveled at 70 miles per hour
A) The water was 65 degrees C. B) There were 6 sides on the shape C) The texture was smooth D) The plant stood 6 cm tall.
A) component B) interaction C) input D) output
A) interaction B) equilibrium C) classification D) evolution
A) If the beat to the music is fast then they c. will work faster because they will be more motivated. B) I predict that people who listen to music 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 gets more sunlight then the group that got more sunlight will grow taller because they get more nutrients. B) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow. 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) 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) 4 B) 2 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 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) False B) True
A) False B) True
A) True B) False
A) False B) True
A) Hypothesis B) Controlled experiment C) Variable D) Controlled variable
A) controlled variable B) dependant variable C) hypothesis D) conclusion
A) hypothesis B) controlled experiment C) conclusion D) dependant variable
A) none of the answer choices B) controlled variables C) both of the answer choices D) constants
A) independant variable B) both of the answer choices C) manipulated variable D) none of the answer choices
A) both of the answer choices B) dependent variable 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) responding variable B) dependant 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) dependant variable D) manipulated variable
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) 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 keep the same? C) What do I change? or What am I testing?
A) a small sample size B) a reproducible procedure C) a control D) multiple trials
A) collect evidence B) make a conclusion C) develop a procedure D) analyze data
A) 2-5 snails B) 5-10 snails C) more than 15 snails D) 10-15 snails
A) a raw carrot is hard to chew, and it makes his teeth hurt. B) carrots taste dry, and he doesn’t like things that taste dry. 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) b. noise levels C) c. none of the above D) a. time of day
A) neither a or b B) both a and b C) a. distance D) b. time
A) by increasing the amount of the salt in the water. B) by increasing the number of days C) by increasing the number of plants D) by increasing the amount of water
A) qualitative data B) quantitative data C) control data D) unreliable data
A) people vary in their responses, but general conclusions can be made. B) people are all the same, and general conclusions can be made. C) no conclusions can be made about people D) each person is different, so concluions can only be made about individual people.
A) to explain or analyze something in detail B) to help us understand the natural world C) to help explain theories D) to replace real things in the natural world
A) a conceptual model B) a mathematical model C) a climate model D) a physical model
A) mathematical model. B) global model. C) conceptual model. D) physical model.
A) choose the right model. B) take apart the model. C) visualize the model. D) measure the model.
A) a mathematical model B) an astronomical model C) a physical model D) a conceptual model
A) a debate theory B) a model C) a question D) an inquiry
A) a conceptual model B) a physical model C) a telescopic model D) a mathematical model
A) The models have numbers. B) The models are on a disk. C) The models have many pages. D) The models have many variables.
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) Its units are based on objects that vary in size. B) It uses the smallest possible numbers. C) It preserves the system used in England long ago. D) It can be used by scientists everywhere.
A) liters. B) meters. C) square units. D) centimeters.
A) metric ton. B) meter. C) kilogram. D) cubic meter.
A) It allows scientists everywhere to share and compare data. B) It does not use fractions or decimals. C) It reduces the variables in mathematical climate models. D) It provides a system that can be used only by scientists.
A) a kilogram B) a gram C) a meter D) a cubic meter
A) divide mass by volume. B) multiply length times width times height. C) multiply length times width. D) use a thermometer.
A) base data on many variables. B) note data in multiples of five. C) translate data into English. D) share data around the world.
A) No scientists can use them. B) They are not in English. C) All scientists can use them. D) They are always correct.
A) volume B) mass C) region D) area
A) law B) hypothesis C) theory D) B) observation
A) a law. B) a hypothesis. C) a theory D) an observation.
A) adding food color to see how far the salt penetrates the plants B) h cooling the salt water before watering the plants C) g increasing the amount of salt added to the water each day D) watering half the plants with pure water and half with salt water
A) temperature of the water B) amount of water used C) amount of time stirring D) amounts of sugar used
A) Amount of water put into a container B) Temperature at which the water/antifreeze mixture freezes C) Amount of antifreeze added to the water D) Type of thermometer used to measure the freezing point
A) Amount of antifreeze added to the water B) Temperature at which the water/antifreeze mixture freezes C) Amount of water put into a container D) Type of thermometer used to measure the freezing point
A) An electronic light meter B) A spring scale C) A triple-beam balance D) A graduated cylinder
A) Identify and record the temperature of each ice cube before each trial. 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) 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) to obtain funding for the research D) because there can only be one correct theory
A) To have enough fish for zoo aquariums B) To keep other game fish species populations low C) To keep a healthy population of adult fish D) To have people spend more money on fishing
A) Pan balance B) Microscope C) pH paper 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 percentage of days that have enough sunlight to power a solar water heater D) The efficiency of solar technology used in that state |