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 B) outdated evidence.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