A) All of the explanations are natural. B) The length of day is caused by Appollo riding his chariot into the sky. C) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. 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) Do red grapes taste better than green grapes? C) Are there more people who like red grapes than green grapes? D) Are demons responsible for my car not working?
A) A trick in a magic show. B) lightning C) A solar eclipse. D) the change of the moon’s shape during the month
A) a) Characteristic B) Both a and b C) b) Property D) c) Form
A) Theory B) Fact C) Hypothesis D) Law
A) Variable B) Controlled experiment C) Procedure D) Data
A) Proportion B) System C) Function D) Unifying
A) law B) fact C) hypothesis. D) synopsis
A) communicate results. B) ask a question. C) test a hypothesis. D) simplify data.
A) accepting investigation results. B) forming expectations. C) asking questions. about observations D) summarizing research.
A) prove evidence. B) change results. C) focus an investigation. D) review evidence.
A) focus an investigation. B) draw conclusions. C) prove evidence. D) change results.
A) a closed case. B) new evidence. C) outdated evidence. D) a repeated question.
A) numerical order B) alphabetical order C) chronological order D) They do not follow a set order.
A) many variables at once. B) complex data C) ne variable at a time. D) conflicting data.
A) investigate a question. B) change data. C) analyze data. D) prove a theory.
A) drawing conclusions. B) forming a hypothesis. C) asking a question. D) testing a hypothesis.
A) They can make scientific laws based on new discoveries. B) They can review evidence to investigate further. C) They can honor scientists for their achievements. D) They can include the information in science textbooks.
A) asking questions B) communicating results C) drawing conclusions D) analyzing data
A) concept B) theory. C) model D) investigation
A) is a single hypothesis. B) ties together many hypotheses and observations. C) is not useful in predicting the future. D) is often used to explain scientific models.
A) All of the answer choices B) question the reasoning behind the explanations. C) review how the scientific methods were used. D) evaluate the evidence used.
A) if their questions are useful B) if the data are correct C) if other scientists agree with them D) if their results support their hypotheses
A) They review evidence. B) They draw the same conclusions. C) They all disagree with the results. D) They all agree with the results.
A) There are no new questions. B) There is new evidence. C) There is no new evidence. D) There results are facts.
A) Cycle B) Equilibrium C) Function D) Evolution
A) Theory B) Trade-off C) Fact D) Hypothesis
A) Pros B) Trade-off C) Benefits D) Cons
A) theory B) hypothesis C) fact D) measurement
A) law B) theory C) fact D) hypothesis
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 plant stood 6 cm tall. C) There were 6 sides on the shape D) The water was 65 degrees C.
A) component B) output C) interaction D) input
A) evolution B) interaction C) classification 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) I predict that people who listen to music will work faster because they will be more motivated. D) If people listen to music while working then they will work faster because music is like magic
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 be shorter 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 grow taller because they get more nutrients.
A) 3 B) 1 C) 4 D) 2
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) 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) If the string is shorter then the swing time will also be shorter. B) If the string is longer then swing time will be slower because the pendulum will have to travel further. 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) I predict that if I make the string longer the swing time will be longer because the pendulum will travel a longer distance.
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) Controlled variable B) Controlled experiment C) Variable D) Hypothesis
A) conclusion B) dependant variable C) hypothesis D) controlled variable
A) conclusion B) dependant variable C) hypothesis D) controlled experiment
A) controlled variables B) constants C) both of the answer choices D) none of the answer choices
A) manipulated variable B) independant variable C) both of the answer choices D) none of the answer choices
A) constant B) both of the answer choices C) none of the answer choices D) dependent variable
A) both of the answer choices B) none of the answer choices C) dependant variable D) independant variable
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) both of the answer choices D) none of the answer choices
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 change? or What am I testing? C) What do I keep the same?
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 do I change? or What am I testing? B) What do I keep the same? C) What am I measuring?
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 control D) a reproducible procedure
A) make a conclusion B) collect evidence C) develop a procedure D) analyze data
A) 5-10 snails B) 2-5 snails C) 10-15 snails D) more than 15 snails
A) a raw carrot is hard to chew, and it makes his teeth hurt. 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) an uncut carrot is two inches long, and 3 too long to fit in his lunch box.
A) a. time of day B) b. noise levels C) c. none of the above D) both a and b
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) quantitative data B) qualitative data C) control data D) unreliable 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 are all the same, and general conclusions can be made. D) people vary in their responses, but general conclusions can be made.
A) to replace real things in the natural world B) to explain or analyze something in detail C) to help us understand the natural world D) to help explain theories
A) a physical model B) a climate model C) a mathematical model D) a conceptual model
A) conceptual model. B) mathematical model. C) global model. D) physical model.
A) measure the model. B) choose the right model. C) visualize the model. D) take apart the model.
A) an astronomical model B) a conceptual model C) a mathematical model D) a physical model
A) a debate theory B) a model C) a question D) an inquiry
A) a telescopic model B) a mathematical model C) a physical model D) a conceptual 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 Venn diagram would best display the information, because it shows the relationship between the languages. B) A circle graph would best display the information, because it allows you to compare the different categories to the whole. C) A line graph would best display the information, because it shows trends clearly. 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 uses the smallest possible numbers. D) It can be used by scientists everywhere.
A) square units. B) liters. C) centimeters. D) meters.
A) kilogram. B) metric ton. C) cubic meter. D) meter.
A) It does not use fractions or decimals. B) It reduces the variables in mathematical climate models. C) It provides a system that can be used only by scientists. D) It allows scientists everywhere to share and compare data.
A) a kilogram B) a cubic meter C) a gram D) a meter
A) use a thermometer. B) multiply length times width. C) multiply length times width times height. D) divide mass by volume.
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) No scientists can use them. B) They are always correct. C) All scientists can use them. D) They are not in English.
A) mass B) area C) volume D) region
A) theory B) hypothesis C) B) observation D) law
A) a theory B) a law. C) a hypothesis. D) an observation.
A) watering half the plants with pure water and half with salt water B) h cooling the salt water before watering the plants C) adding food color to see how far the salt penetrates the plants D) g increasing the amount of salt added to the water each day
A) amounts of sugar used B) temperature of the water C) amount of water used D) amount of time stirring
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) Amount of antifreeze added to the water B) Temperature at which the water/antifreeze mixture freezes C) Amount of water put into a container D) Type of thermometer used to measure the freezing point
A) An electronic light meter B) A graduated cylinder C) A spring scale D) A triple-beam balance
A) Measure and compare the volume of the pot and the microwave. B) Identify and record the temperature of each ice cube before each trial. 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) because there can only be one correct theory B) that research and observations support the theory C) to obtain funding for the research D) to gain recognition as a great scientist
A) To have people spend more money on fishing B) To keep a healthy population of adult fish C) To keep other game fish species populations low D) To have enough fish for zoo aquariums
A) pH paper B) Microscope C) Binoculars D) Pan balance
A) The location and type of solar cells used in that state B) The efficiency of solar technology used in that state C) The number of sunny days per year and the amount of solar power used per year D) The percentage of days that have enough sunlight to power a solar water heater |