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) The length of day is caused by Appollo riding his chariot into the sky. D) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis.
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) A solar eclipse. B) lightning C) the change of the moon’s shape during the month D) A trick in a magic show.
A) c) Form B) Both a and b C) b) Property D) a) Characteristic
A) Fact B) Law C) Hypothesis D) Theory
A) Controlled experiment B) Variable C) Data D) Procedure
A) System B) Proportion C) Unifying D) Function
A) fact B) hypothesis. C) law D) synopsis
A) simplify data. B) test a hypothesis. C) ask a question. D) communicate results.
A) forming expectations. B) accepting investigation results. C) asking questions. about observations D) summarizing research.
A) review evidence. B) change results. C) prove evidence. D) focus an investigation.
A) focus an investigation. B) draw conclusions. C) change results. D) prove evidence.
A) a closed case. B) a repeated question. C) new evidence. D) outdated evidence.
A) chronological order B) numerical order C) They do not follow a set order. D) alphabetical order
A) ne variable at a time. B) many variables at once. C) complex data D) conflicting data.
A) prove a theory. B) analyze data. C) change data. D) investigate a question.
A) drawing conclusions. B) asking a question. C) testing a hypothesis. D) forming a hypothesis.
A) They can honor scientists for their achievements. B) They can review evidence to investigate further. C) They can include the information in science textbooks. D) They can make scientific laws based on new discoveries.
A) asking questions B) analyzing data C) communicating results D) drawing conclusions
A) concept B) model C) theory. D) investigation
A) is not useful in predicting the future. B) ties together many hypotheses and observations. C) is a single hypothesis. D) is often used to explain scientific models.
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 review evidence. C) They all disagree with the results. D) They all agree with the results.
A) There is no new evidence. B) There results are facts. C) There are no new questions. D) There is new evidence.
A) Equilibrium B) Evolution C) Function D) Cycle
A) Theory B) Hypothesis C) Fact D) Trade-off
A) Cons B) Pros C) Trade-off D) Benefits
A) hypothesis B) fact C) measurement D) theory
A) theory B) fact C) law D) hypothesis
A) The shape was circular B) The texture was rough. C) The flower is red. D) The car traveled at 70 miles per hour
A) The texture was smooth B) The plant stood 6 cm tall. C) There were 6 sides on the shape D) The water was 65 degrees C.
A) input B) output C) interaction D) component
A) interaction B) classification C) evolution D) equilibrium
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 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) I predict that people who listen to music will work faster because they will be more motivated.
A) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow. 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 grow taller because they get more nutrients. C) 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. 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) 3 C) 2 D) 1
A) I predict that I will catch better with my left hand B) If I try to catch the ball then it might be better with my right because I am right 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 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
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 longer then swing time will be slower because the pendulum will have to travel further. C) If the string is shorter then the swing time will also be shorter. 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) False B) True
A) False B) True
A) False B) True
A) Variable B) Controlled variable C) Hypothesis D) Controlled experiment
A) controlled variable B) conclusion C) hypothesis D) dependant variable
A) dependant variable B) controlled experiment C) conclusion D) hypothesis
A) constants B) none of the answer choices C) controlled variables D) both of the answer choices
A) independant variable B) manipulated variable C) both of the answer choices D) none of the answer choices
A) none of the answer choices B) dependent variable C) both of the answer choices D) constant
A) dependant variable B) independant variable C) none of the answer choices D) both of the answer choices
A) both of the answer choices B) responding variable C) none of the answer choices D) dependant variable
A) none of the answer choices B) manipulated variable C) dependant variable D) both of the answer choices
A) What do I keep the same? B) What am I measuring? C) What do I change? or What am I testing?
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 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 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) a small sample size B) multiple trials C) a reproducible procedure D) a control
A) make a conclusion B) analyze data C) collect evidence D) develop a procedure
A) more than 15 snails B) 2-5 snails C) 5-10 snails D) 10-15 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) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. D) a raw carrot is hard to chew, and it makes his teeth hurt.
A) c. none of the above B) both a and b C) b. noise levels D) a. time of day
A) neither a or b B) a. distance C) both a and b D) b. time
A) by increasing the amount of water B) by increasing the number of days C) by increasing the number of plants D) by increasing the amount of the salt in the water.
A) quantitative data B) unreliable data C) qualitative data D) control data
A) no conclusions can be made about people B) each person is different, so concluions can only be made about individual people. C) people vary in their responses, but general conclusions can be made. D) people are all the same, and general conclusions can be made.
A) to explain or analyze something in detail B) to help us understand the natural world C) to replace real things in the natural world D) to help explain theories
A) a mathematical model B) a climate model C) a physical model D) a conceptual model
A) global model. B) conceptual model. C) mathematical model. D) physical model.
A) measure the model. B) choose the right model. C) take apart the model. D) visualize the model.
A) an astronomical model B) a conceptual model C) a physical model D) a mathematical model
A) a debate theory B) an inquiry C) a question D) a model
A) a mathematical model B) a telescopic model C) a physical model D) a conceptual model
A) The models have many variables. B) The models have many pages. C) The models have numbers. D) The models are on a disk.
A) A Venn diagram would best display the information, because it shows the relationship between the languages. B) A bar graph would best display the information, because it allows you to compare categories quickly. 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 can be used by scientists everywhere. B) It preserves the system used in England long ago. C) It uses the smallest possible numbers. D) Its units are based on objects that vary in size.
A) square units. B) centimeters. C) meters. D) liters.
A) kilogram. B) cubic meter. C) metric ton. D) meter.
A) It does not use fractions or decimals. B) It provides a system that can be used only by scientists. C) It allows scientists everywhere to share and compare data. D) It reduces the variables in mathematical climate models.
A) a cubic meter B) a meter C) a kilogram D) a gram
A) multiply length times width. B) multiply length times width times height. C) use a thermometer. D) divide mass by volume.
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) All scientists can use them. B) No scientists can use them. C) They are always correct. D) They are not in English.
A) volume B) area C) region D) mass
A) theory B) law C) B) observation D) hypothesis
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) 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 time stirring B) amounts of sugar used C) temperature of the water D) amount of water used
A) Temperature at which the water/antifreeze mixture freezes B) Amount of antifreeze added to the water C) Amount of water put into a container D) Type of thermometer used to measure the freezing point
A) Temperature at which the water/antifreeze mixture freezes B) Amount of water put into a container C) Amount of antifreeze added to the water D) Type of thermometer used to measure the freezing point
A) A triple-beam balance B) A spring scale C) An electronic light meter D) A graduated cylinder
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) that research and observations support the theory B) to gain recognition as a great scientist C) because there can only be one correct theory D) to obtain funding for the research
A) To keep other game fish species populations low B) To have people spend more money on fishing C) To keep a healthy population of adult fish D) To have enough fish for zoo aquariums
A) Microscope B) Binoculars C) pH paper D) Pan balance
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 |