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 there more people who like red grapes than green grapes? B) Does voodoo magic cause people to get sick in parts of Africa? C) Are demons responsible for my car not working? D) Do red grapes taste better than green grapes?
A) A trick in a magic show. B) the change of the moon’s shape during the month C) lightning D) A solar eclipse.
A) b) Property B) a) Characteristic C) Both a and b D) c) Form
A) Fact B) Hypothesis C) Theory D) Law
A) Procedure B) Variable C) Data D) Controlled experiment
A) Unifying B) Proportion C) Function D) System
A) law B) fact C) synopsis D) hypothesis.
A) ask a question. B) communicate results. C) simplify data. D) test a hypothesis.
A) accepting investigation results. B) asking questions. about observations C) forming expectations. D) summarizing research.
A) change results. B) focus an investigation. C) prove evidence. D) review 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 C) outdated evidence.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) They do not follow a set order. B) chronological order C) alphabetical order D) numerical order
A) conflicting data. B) complex data C) many variables at once. D) ne variable at a time.
A) prove a theory. B) analyze data. C) change data. D) investigate a question.
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 honor scientists for their achievements. C) They can include the information in science textbooks. D) They can make scientific laws based on new discoveries.
A) drawing conclusions B) communicating results C) asking questions D) analyzing data
A) concept B) model C) theory. D) investigation
A) is often used to explain scientific models. B) is not useful in predicting the future. C) is a single hypothesis. D) ties together many hypotheses and observations.
A) review how the scientific methods were used. B) All of the answer choices C) question the reasoning behind the explanations. D) evaluate the evidence used.
A) if their results support their hypotheses B) if other scientists agree with them C) if their questions are useful D) if the data are correct
A) They draw the same conclusions. B) They all disagree with the results. C) They all agree with the results. D) They review evidence.
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) Hypothesis C) Fact D) Trade-off
A) Trade-off B) Pros C) Cons D) Benefits
A) theory B) fact C) hypothesis D) measurement
A) hypothesis B) fact C) theory D) law
A) The flower is red. B) The shape was circular C) The texture was rough. D) The car traveled at 70 miles per hour
A) The plant stood 6 cm tall. B) The texture was smooth C) The water was 65 degrees C. D) There were 6 sides on the shape
A) interaction B) output C) component D) input
A) equilibrium B) evolution C) interaction D) classification
A) If the beat to the music is fast then they c. 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) I predict that people who listen to music 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 gets more sunlight then the group that got more sunlight will grow taller because they get more nutrients. B) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow. 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 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) 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) If the string is longer then swing time will be slower because the pendulum will have to travel further. D) I predict that if I make the string longer the swing time will be longer because the pendulum will travel a longer distance.
A) True B) False
A) True B) False
A) False B) True
A) True B) False
A) Controlled variable B) Variable C) Hypothesis D) Controlled experiment
A) conclusion B) controlled variable C) dependant variable D) hypothesis
A) dependant variable B) hypothesis C) conclusion D) controlled experiment
A) controlled variables B) none of the answer choices C) both of the answer choices D) constants
A) manipulated variable B) none of the answer choices C) both of the answer choices D) independant variable
A) dependent variable B) none of the answer choices C) both of the answer choices D) constant
A) dependant variable B) none of the answer choices C) independant variable D) both of the answer choices
A) both of the answer choices B) dependant variable C) responding variable D) none of the answer choices
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 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 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 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 small sample size D) a control
A) make a conclusion B) collect evidence C) develop a procedure D) analyze data
A) 10-15 snails B) 2-5 snails C) more than 15 snails D) 5-10 snails
A) carrots taste dry, and he doesn’t like things that taste dry. B) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. C) carrots take a long time to peel, and he doesn’ t like peeling them. D) a raw carrot is hard to chew, and it makes his teeth hurt.
A) b. noise levels B) c. none of the above C) both a and b 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 amount of the salt in the water. C) by increasing the number of days D) by increasing the number of plants
A) unreliable data B) quantitative data C) control data D) qualitative data
A) no conclusions can be made about people B) people are all the same, and general conclusions can be made. C) people vary in their responses, but general conclusions can be made. D) each person is different, so concluions can only be made about individual people.
A) to help explain theories B) to explain or analyze something in detail C) to help us understand the natural world D) to replace real things in the natural world
A) a physical model B) a climate model C) a conceptual model D) a mathematical model
A) conceptual model. B) global model. C) physical model. D) mathematical model.
A) measure the model. B) take apart the model. C) visualize the model. D) choose the right model.
A) a conceptual model B) a physical model C) an astronomical model D) a mathematical model
A) a question B) a debate theory C) an inquiry D) a model
A) a telescopic model B) a conceptual model C) a mathematical model D) a physical model
A) The models have numbers. B) The models have many pages. C) The models have many variables. D) The models are on a disk.
A) A line graph would best display the information, because it shows trends clearly. B) A Venn diagram would best display the information, because it shows the relationship between the languages. 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 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) meters. B) liters. C) centimeters. D) square units.
A) cubic meter. B) metric ton. C) meter. D) kilogram.
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 meter C) a kilogram D) a gram
A) divide mass by volume. B) use a thermometer. C) multiply length times width. D) multiply length times width times height.
A) base data on many variables. B) translate data into English. C) note data in multiples of five. D) share data around the world.
A) They are always correct. B) They are not in English. C) No scientists can use them. D) All scientists can use them.
A) volume B) mass C) region D) area
A) hypothesis B) law C) theory D) B) observation
A) an observation. B) a law. C) a theory D) a hypothesis.
A) watering half the plants with pure water and half with salt water B) h cooling the salt water before watering the plants C) g increasing the amount of salt added to the water each day D) adding food color to see how far the salt penetrates the plants
A) amount of time stirring B) temperature of the water C) amount of water used D) amounts of sugar 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) 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) A spring scale B) An electronic light meter C) A triple-beam balance D) A graduated cylinder
A) Observe and record the time for each ice cube to completely change to a liquid. 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) Determine the volume of liquid water made by each ice cube.
A) to obtain funding for the research B) because there can only be one correct theory C) that research and observations support the theory D) to gain recognition as a great scientist
A) To have people spend more money on fishing B) To have enough fish for zoo aquariums C) To keep other game fish species populations low D) To keep a healthy population of adult fish
A) Pan balance B) Binoculars C) Microscope D) pH paper
A) The efficiency of solar technology used in that state B) The number of sunny days per year and the amount of solar power used per year 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 |