A) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. 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) The length of day is caused by Appollo riding his chariot into the sky.
A) Are demons responsible for my car not working? 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) Do red grapes taste better than green grapes?
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) b) Property B) Both a and b C) a) Characteristic D) c) Form
A) Hypothesis B) Fact C) Law D) Theory
A) Controlled experiment B) Variable C) Procedure D) Data
A) System B) Unifying C) Proportion D) Function
A) hypothesis. B) synopsis C) fact D) law
A) communicate results. B) test a hypothesis. C) simplify data. D) ask a question.
A) summarizing research. B) asking questions. about observations C) forming expectations. D) accepting investigation results.
A) review evidence. B) change results. C) prove evidence. D) focus an investigation.
A) prove evidence. B) change results. C) draw conclusions. D) focus an investigation.
A) a repeated question. B) new evidence. C) a closed case. D) outdated evidence.
A) chronological order B) alphabetical order C) numerical order D) They do not follow a set order.
A) many variables at once. B) ne variable at a time. C) complex data D) conflicting data.
A) prove a theory. B) investigate a question. C) analyze data. D) change data.
A) forming a hypothesis. B) asking a question. C) testing a hypothesis. D) drawing conclusions.
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) drawing conclusions B) asking questions C) analyzing data D) communicating results
A) model B) theory. C) concept D) investigation
A) ties together many hypotheses and observations. B) is often used to explain scientific models. C) is a single hypothesis. D) is not useful in predicting the future.
A) evaluate the evidence used. B) question the reasoning behind the explanations. C) All of the answer choices D) review how the scientific methods were used.
A) if their questions are useful B) if their results support their hypotheses C) if other scientists agree with them D) if the data are correct
A) They review evidence. B) They all disagree with the results. C) They draw the same conclusions. D) They all agree with the results.
A) There is no new evidence. B) There are no new questions. C) There is new evidence. D) There results are facts.
A) Equilibrium B) Evolution C) Cycle D) Function
A) Trade-off B) Theory C) Fact D) Hypothesis
A) Cons B) Trade-off C) Benefits D) Pros
A) measurement B) fact C) hypothesis D) theory
A) law B) fact C) hypothesis D) theory
A) The car traveled at 70 miles per hour B) The shape was circular C) The flower is red. D) The texture was rough.
A) The texture was smooth B) The water was 65 degrees C. C) There were 6 sides on the shape D) The plant stood 6 cm tall.
A) component B) input C) output D) interaction
A) interaction B) equilibrium C) evolution D) classification
A) I predict that people who listen to music will work faster because they will be more motivated. B) If people listen to music while working then they will work faster because music is like magic C) If the beat to the music is fast then they c. will work faster because they will be more motivated. 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 be shorter 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 grow taller because they get more nutrients.
A) 4 B) 2 C) 1 D) 3
A) 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 B) I predict that I will catch better with my left hand C) If I try to catch the ball then it might be better with my right because I am right handed. D) I will catch the ball more times with my left hand because I am left handed.
A) If the string is shorter then the swing time will also be shorter. 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 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 longer then swing time will be slower because the pendulum will have to travel further.
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) Controlled variable B) Hypothesis C) Controlled experiment D) Variable
A) controlled variable B) hypothesis C) dependant variable D) conclusion
A) hypothesis B) controlled experiment C) conclusion D) dependant variable
A) constants B) controlled variables C) none of the answer choices D) both of the answer choices
A) independant variable B) none of the answer choices C) manipulated variable D) both of the answer choices
A) none of the answer choices B) dependent variable C) both of the answer choices D) constant
A) both of the answer choices B) none of the answer choices C) dependant variable D) independant variable
A) none of the answer choices B) dependant variable C) both of the answer choices D) responding variable
A) manipulated variable B) dependant variable C) none of the answer choices D) both of the answer choices
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 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 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 do I change? or What am I testing? C) What am I measuring?
A) a control B) a small sample size C) multiple trials D) a reproducible procedure
A) make a conclusion B) analyze data C) develop a procedure D) collect evidence
A) 2-5 snails B) more than 15 snails C) 5-10 snails D) 10-15 snails
A) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. 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) a raw carrot is hard to chew, and it makes his teeth hurt.
A) a. time of day B) c. none of the above C) b. noise levels D) both a and b
A) a. distance B) b. time C) both a and b D) neither a or b
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) control data B) qualitative data C) unreliable data D) quantitative data
A) no conclusions can be made about people B) people are all the same, and general conclusions can be made. C) each person is different, so concluions can only be made about individual 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 conceptual model B) a mathematical model C) a physical model D) a climate model
A) global model. B) mathematical model. C) conceptual model. D) physical model.
A) choose the right model. B) measure the model. C) visualize the model. D) take apart the model.
A) a physical model B) a conceptual model C) a mathematical model D) an astronomical model
A) an inquiry B) a debate theory C) a model D) a question
A) a telescopic model B) a physical model C) a mathematical model D) a conceptual 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 Venn diagram would best display the information, because it shows the relationship between the languages. B) A line graph would best display the information, because it shows trends clearly. C) A circle graph would best display the information, because it allows you to compare the different categories to the whole. D) A bar graph would best display the information, because it allows you to compare categories quickly.
A) It uses the smallest possible numbers. B) It preserves the system used in England long ago. C) Its units are based on objects that vary in size. D) It can be used by scientists everywhere.
A) square units. B) centimeters. C) liters. D) meters.
A) meter. B) metric ton. C) kilogram. D) cubic meter.
A) It reduces the variables in mathematical climate models. B) It allows scientists everywhere to share and compare data. C) It does not use fractions or decimals. D) It provides a system that can be used only by scientists.
A) a cubic meter B) a kilogram C) a gram D) a meter
A) multiply length times width. B) multiply length times width times height. C) divide mass by volume. D) use a thermometer.
A) note data in multiples of five. B) share data around the world. C) translate data into English. D) base data on many variables.
A) They are not in English. B) No scientists can use them. C) All scientists can use them. D) They are always correct.
A) region B) mass C) volume D) area
A) hypothesis B) law C) theory D) B) observation
A) a theory B) a hypothesis. C) a law. 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) h cooling the salt water before watering the plants D) adding food color to see how far the salt penetrates the plants
A) amount of water used B) amount of time stirring C) amounts of sugar used D) temperature of the water
A) Amount of antifreeze added to the water B) Temperature at which the water/antifreeze mixture freezes C) Type of thermometer used to measure the freezing point D) Amount of water put into a container
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) An electronic light meter B) A graduated cylinder C) A spring scale D) A triple-beam balance
A) Identify and record the temperature of each ice cube before each trial. 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) Determine the volume of liquid water made by each ice cube.
A) that research and observations support the theory B) to obtain funding for the research C) to gain recognition as a great scientist D) because there can only be one correct theory
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) Microscope B) Binoculars C) Pan balance D) pH paper
A) The location and type of solar cells used in that state B) The efficiency of solar technology used in that state C) The percentage of days that have enough sunlight to power a solar water heater D) The number of sunny days per year and the amount of solar power used per year |