A) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. B) The length of day is caused by Appollo riding his chariot into the sky. C) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. D) All of the explanations are natural.
A) Does voodoo magic cause people to get sick in parts of Africa? B) Are demons responsible for my car not working? 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 solar eclipse. D) A trick in a magic show.
A) Both a and b B) b) Property C) a) Characteristic D) c) Form
A) Law B) Theory C) Fact D) Hypothesis
A) Procedure B) Variable C) Controlled experiment D) Data
A) System B) Unifying C) Function D) Proportion
A) law B) fact C) synopsis D) hypothesis.
A) test a hypothesis. B) ask a question. C) communicate results. D) simplify data.
A) summarizing research. B) forming expectations. C) accepting investigation results. D) asking questions. about observations
A) change results. B) review evidence. C) focus an investigation. D) prove evidence.
A) prove evidence. B) focus an investigation. C) change results. D) draw conclusions.
A) a repeated question. B) a closed case. C) outdated evidence. D) new evidence.
A) chronological order B) They do not follow a set order. C) alphabetical order D) numerical order
A) ne variable at a time. B) many variables at once. C) complex data D) conflicting data.
A) analyze data. B) investigate a question. C) change data. D) prove a theory.
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 include the information in science textbooks. C) They can review evidence to investigate further. D) They can honor scientists for their achievements.
A) drawing conclusions B) asking questions C) analyzing data D) communicating results
A) concept B) theory. C) investigation D) model
A) is not useful in predicting the future. B) is a single hypothesis. C) is often used to explain scientific models. D) ties together many hypotheses and observations.
A) All of the answer choices B) question the reasoning behind the explanations. C) evaluate the evidence used. D) review how the scientific methods were used.
A) if their questions are useful B) if their results support their hypotheses C) if the data are correct D) if other scientists agree with them
A) They draw the same conclusions. B) They all disagree with the results. C) They review evidence. D) They all agree with the results.
A) There are no new questions. B) There is new evidence. C) There is no new evidence. D) There results are facts.
A) Evolution B) Equilibrium C) Cycle D) Function
A) Hypothesis B) Trade-off C) Theory D) Fact
A) Benefits B) Cons C) Pros D) Trade-off
A) hypothesis B) fact C) theory D) measurement
A) hypothesis B) law C) fact D) theory
A) The car traveled at 70 miles per hour B) The texture was rough. 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) component B) interaction C) input D) output
A) equilibrium B) evolution C) classification D) interaction
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) 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. D) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow.
A) 2 B) 1 C) 3 D) 4
A) I will catch the ball more times with my left hand because I am left 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) If I try to catch the ball then it might be better with my right because I am right handed.
A) If the string is shorter then the swing time will also be shorter. B) If the length of the string changes then swing time might be longer or shorter because you will change the length of string. 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) False B) True
A) False B) True
A) True B) False
A) Variable B) Controlled variable C) Controlled experiment D) Hypothesis
A) dependant variable B) controlled variable C) conclusion D) hypothesis
A) hypothesis B) dependant variable C) conclusion D) controlled experiment
A) both of the answer choices B) controlled variables C) none of the answer choices D) constants
A) manipulated variable B) independant variable C) none of the answer choices D) both of the answer choices
A) both of the answer choices B) dependent variable C) none of the answer choices D) constant
A) independant variable B) both of the answer choices C) none of the answer choices D) dependant variable
A) responding variable B) none of the answer choices C) both of the answer choices D) dependant variable
A) manipulated variable B) both of the answer choices C) none of the answer choices D) dependant 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 am I measuring? B) What do I change? or What am I testing? C) What do I keep the same?
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 change? or What am I testing? B) What do I keep the same? C) What am I measuring?
A) a control B) multiple trials C) a small sample size D) a reproducible procedure
A) make a conclusion B) develop a procedure C) analyze data D) collect evidence
A) 5-10 snails B) more than 15 snails C) 10-15 snails D) 2-5 snails
A) a raw carrot is hard to chew, and it makes his teeth hurt. B) carrots take a long time to peel, and he doesn’ t like peeling them. C) carrots taste dry, and he doesn’t like things that taste dry. D) an uncut carrot is two inches long, and 3 too long to fit in his lunch box.
A) c. none of the above B) a. time of day C) both a and b D) b. noise levels
A) b. time B) neither a or b C) both a and b D) a. distance
A) by increasing the number of plants B) by increasing the number of days C) by increasing the amount of the salt in the water. D) by increasing the amount of water
A) qualitative data B) control data C) quantitative data D) unreliable 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 replace real things in the natural world C) to help explain theories D) to help us understand 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) visualize the model. C) measure the model. D) take apart the model.
A) a conceptual model B) an astronomical model C) a mathematical model D) a physical model
A) a model B) a debate theory C) a question D) an inquiry
A) a mathematical model B) a conceptual model C) a telescopic model D) a physical model
A) The models have many pages. B) The models are on a disk. C) The models have many variables. D) The models have numbers.
A) A bar graph would best display the information, because it allows you to compare categories quickly. B) A Venn diagram would best display the information, because it shows the relationship between the languages. C) A line graph would best display the information, because it shows trends clearly. 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) Its units are based on objects that vary in size. C) It can be used by scientists everywhere. D) It uses the smallest possible numbers.
A) liters. B) meters. C) square units. D) centimeters.
A) cubic meter. B) kilogram. C) metric ton. D) meter.
A) It provides a system that can be used only by scientists. B) It does not use fractions or decimals. C) It reduces the variables in mathematical climate models. D) It allows scientists everywhere to share and compare data.
A) a kilogram B) a gram C) a cubic meter D) a meter
A) multiply length times width times height. B) multiply length times width. C) use a thermometer. D) divide mass by volume.
A) note data in multiples of five. B) translate data into English. C) share data around the world. D) base data on many variables.
A) No scientists can use them. B) They are always correct. C) All scientists can use them. D) They are not in English.
A) mass B) volume C) region D) area
A) hypothesis B) theory C) law D) B) observation
A) a theory B) a law. C) an observation. D) a hypothesis.
A) g increasing the amount of salt added to the water each day B) adding food color to see how far the salt penetrates the plants C) watering half the plants with pure water and half with salt water D) h cooling the salt water before watering the plants
A) temperature of the water B) amount of time stirring C) amount of water used 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 water put into a container D) Amount of antifreeze added to the water
A) Type of thermometer used to measure the freezing point B) Amount of antifreeze added to the water C) Temperature at which the water/antifreeze mixture freezes D) Amount of water put into a container
A) A triple-beam balance B) A spring scale C) A graduated cylinder D) An electronic light meter
A) Determine the volume of liquid water made by each ice cube. B) Measure and compare the volume of the pot and the microwave. 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) because there can only be one correct theory B) to gain recognition as a great scientist C) that research and observations support the theory D) to obtain funding for the research
A) To keep a healthy population of adult fish B) To have enough fish for zoo aquariums C) To keep other game fish species populations low D) To have people spend more money on fishing
A) Binoculars B) Microscope C) pH paper D) Pan balance
A) The percentage of days that have enough sunlight to power a solar water heater B) The efficiency of solar technology used in that state C) The number of sunny days per year and the amount of solar power used per year D) The location and type of solar cells used in that state |