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) Are demons responsible for my car not working? B) Does voodoo magic cause people to get sick in parts of Africa? C) Do red grapes taste better than green grapes? D) Are there more people who like red grapes than green grapes?
A) A solar eclipse. B) lightning C) the change of the moon’s shape during the month D) A trick in a magic show.
A) b) Property B) Both a and b C) c) Form D) a) Characteristic
A) Law B) Theory C) Hypothesis D) Fact
A) Controlled experiment B) Data C) Procedure D) Variable
A) Proportion B) Function C) System D) Unifying
A) synopsis B) hypothesis. C) law D) fact
A) simplify data. B) communicate results. C) ask a question. D) test a hypothesis.
A) asking questions. about observations B) summarizing research. C) forming expectations. D) accepting investigation results.
A) change results. B) review evidence. C) prove evidence. D) focus an investigation.
A) draw conclusions. B) prove evidence. C) focus an investigation. D) change results.
A) a closed case. B) outdated evidence. C) a repeated question. D) new evidence.
A) alphabetical order B) chronological order C) numerical order D) They do not follow a set order.
A) complex data B) conflicting data. C) many variables at once. D) ne variable at a time.
A) investigate a question. B) change data. C) analyze data. D) prove a theory.
A) forming a hypothesis. B) testing a hypothesis. C) asking a question. D) drawing conclusions.
A) They can review evidence to investigate further. B) They can include the information in science textbooks. C) They can make scientific laws based on new discoveries. D) They can honor scientists for their achievements.
A) analyzing data B) drawing conclusions C) asking questions D) communicating results
A) theory. B) model 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) review how the scientific methods were used. B) evaluate the evidence used. C) All of the answer choices D) question the reasoning behind the explanations.
A) if their results support their hypotheses B) if the data are correct C) if their questions are useful D) if other scientists agree with them
A) They review evidence. B) They draw the same conclusions. C) They all agree with the results. D) They all disagree with the results.
A) There is new evidence. B) There is no new evidence. C) There are no new questions. D) There results are facts.
A) Function B) Evolution C) Equilibrium D) Cycle
A) Theory B) Trade-off C) Fact D) Hypothesis
A) Pros B) Benefits C) Cons D) Trade-off
A) theory B) hypothesis C) measurement D) fact
A) theory B) law C) hypothesis D) fact
A) The car traveled at 70 miles per hour B) The flower is red. C) The texture was rough. D) The shape was circular
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) interaction B) output C) input D) component
A) interaction B) evolution C) equilibrium 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 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 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) 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) 3 C) 4 D) 1
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 longer then swing time will be slower because the pendulum will have to travel further. 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 length of the string changes then swing time might be longer or shorter because you will change the length of string.
A) False B) True
A) True B) False
A) False B) True
A) False B) True
A) Controlled variable B) Hypothesis C) Controlled experiment D) Variable
A) conclusion B) hypothesis C) dependant variable D) controlled variable
A) hypothesis B) conclusion C) controlled experiment D) dependant variable
A) controlled variables B) both of the answer choices C) constants D) none of the answer choices
A) both of the answer choices B) manipulated variable C) none of the answer choices 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) 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) responding variable
A) dependant variable B) manipulated 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 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) 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 do I change? or What am I testing? B) What do I keep the same? C) What am I measuring?
A) multiple trials B) a small sample size C) a control D) a reproducible procedure
A) make a conclusion B) develop a procedure C) analyze data D) collect evidence
A) more than 15 snails B) 5-10 snails C) 10-15 snails D) 2-5 snails
A) a raw carrot is hard to chew, and it makes his teeth hurt. B) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. C) carrots taste dry, and he doesn’t like things that taste dry. D) carrots take a long time to peel, and he doesn’ t like peeling them.
A) c. none of the above B) b. noise levels C) a. time of day D) both a and b
A) neither a or b B) b. time C) both a and b D) a. distance
A) by increasing the amount of water B) by increasing the number of plants C) by increasing the number of days D) by increasing the amount of the salt in the water.
A) unreliable data B) control data C) qualitative data D) quantitative data
A) people vary in their responses, but general conclusions can be made. B) each person is different, so concluions can only be made about individual people. C) people are all the same, and general conclusions can be made. D) no conclusions can be made about people
A) to help us understand the natural world B) to help explain theories C) to replace real things in the natural world D) to explain or analyze something in detail
A) a conceptual model B) a climate model C) a mathematical model D) a physical model
A) physical model. B) mathematical model. C) conceptual model. D) global model.
A) take apart the model. B) visualize the model. C) choose the right model. D) measure the model.
A) a mathematical model B) a physical model C) an astronomical model D) a conceptual model
A) an inquiry B) a debate theory C) a question D) a model
A) a mathematical model B) a conceptual model C) a physical model D) a telescopic model
A) The models are on a disk. B) The models have many variables. C) The models have numbers. D) The models have many pages.
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 uses the smallest possible numbers. C) It preserves the system used in England long ago. D) Its units are based on objects that vary in size.
A) liters. B) meters. C) square units. D) centimeters.
A) cubic meter. B) kilogram. C) metric ton. D) meter.
A) It allows scientists everywhere to share and compare data. B) It provides a system that can be used only by scientists. C) It reduces the variables in mathematical climate models. D) It does not use fractions or decimals.
A) a gram B) a cubic meter C) a meter D) a kilogram
A) multiply length times width times height. B) divide mass by volume. C) multiply length times width. 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) They are not in English. B) They are always correct. C) No scientists can use them. D) All scientists can use them.
A) area B) region C) mass D) volume
A) B) observation B) theory C) law D) hypothesis
A) an observation. B) a theory C) a law. D) a hypothesis.
A) g increasing the amount of salt added to the water each day B) h cooling the salt water before watering the plants C) adding food color to see how far the salt penetrates the plants D) watering half the plants with pure water and half with salt water
A) amounts of sugar used B) amount of water used C) temperature of the water D) amount of time stirring
A) Temperature at which the water/antifreeze mixture freezes B) Amount of water put into a container C) Type of thermometer used to measure the freezing point D) Amount of antifreeze added to the water
A) Temperature at which the water/antifreeze mixture freezes B) Type of thermometer used to measure the freezing point C) Amount of antifreeze added to the water D) Amount of water put into a container
A) A triple-beam balance B) A graduated cylinder C) A spring scale D) An electronic light meter
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) Observe and record the time for each ice cube to completely change to a liquid. D) Determine the volume of liquid water made by each ice cube.
A) to gain recognition as a great scientist B) to obtain funding for the research 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 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) Binoculars B) pH paper C) Microscope D) Pan balance
A) The number of sunny days per year and the amount of solar power used per year 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 location and type of solar cells used in that state |