A) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. 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) All of the explanations are natural.
A) Are there more people who like red grapes than green grapes? B) Do red grapes taste better than green grapes? C) Are demons responsible for my car not working? D) Does voodoo magic cause people to get sick in parts of Africa?
A) A solar eclipse. B) A trick in a magic show. C) lightning 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) Law B) Hypothesis C) Fact D) Theory
A) Procedure B) Controlled experiment C) Data D) Variable
A) Unifying B) System C) Proportion D) Function
A) hypothesis. B) fact C) law D) synopsis
A) communicate results. B) simplify data. C) test a hypothesis. D) ask a question.
A) forming expectations. B) asking questions. about observations C) accepting investigation results. D) summarizing research.
A) change results. B) focus an investigation. C) prove evidence. D) review evidence.
A) focus an investigation. B) prove evidence. C) draw conclusions. D) change results.
A) new evidence. B) a closed case. C) outdated evidence. D) a repeated question.
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) asking a question. B) testing a hypothesis. C) drawing conclusions. D) forming a hypothesis.
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) asking questions B) analyzing data C) communicating results D) drawing conclusions
A) model B) investigation C) theory. D) concept
A) is often used to explain scientific models. B) ties together many hypotheses and observations. C) is a single hypothesis. D) is not useful in predicting the future.
A) All of the answer choices B) evaluate the evidence used. C) review how the scientific methods were used. D) question the reasoning behind the explanations.
A) if their questions are useful B) if other scientists agree with them C) if their results support their hypotheses D) if the data are correct
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 results are facts. B) There is new evidence. C) There are no new questions. D) There is no new evidence.
A) Evolution B) Cycle C) Equilibrium D) Function
A) Fact B) Trade-off C) Theory D) Hypothesis
A) Trade-off B) Cons C) Pros D) Benefits
A) theory B) fact C) hypothesis D) measurement
A) law B) fact C) theory D) hypothesis
A) The texture was rough. B) The flower is red. C) The car traveled at 70 miles per hour D) The shape was circular
A) The texture was smooth B) There were 6 sides on the shape C) The water was 65 degrees C. D) The plant stood 6 cm tall.
A) component B) interaction C) output D) input
A) equilibrium B) evolution C) interaction D) classification
A) If people listen to music while working then they will work faster because music is like magic B) If the beat to the music is fast then they c. will work faster because they will be more motivated. 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) I predict that people who listen to music 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) 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) I predict that the fertilized plants will grow taller becasue fertilizer provides nutrients for plants to grow.
A) 1 B) 4 C) 2 D) 3
A) I will 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) 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 length of the string changes then swing time might be longer or shorter because you will change the length of string. B) I predict that if I make the string longer the swing time will be longer because the pendulum will travel a longer distance. C) If the string is longer then swing time will be slower because the pendulum will have to travel further. D) If the string is shorter then the swing time will also be shorter.
A) True B) False
A) True B) False
A) False B) True
A) True B) False
A) Variable B) Hypothesis C) Controlled variable D) Controlled experiment
A) conclusion B) hypothesis C) controlled variable D) dependant variable
A) hypothesis B) controlled experiment C) dependant variable D) conclusion
A) constants B) controlled variables C) none of the answer choices D) both of the answer choices
A) independant variable B) both of the answer choices C) none of the answer choices D) manipulated variable
A) none of the answer choices B) constant C) both of the answer choices D) dependent variable
A) both of the answer choices B) independant variable C) dependant variable D) none of the answer choices
A) both of the answer choices B) dependant variable C) none of the answer choices D) responding variable
A) dependant variable B) none of the answer choices C) manipulated variable D) both 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 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 am I measuring? B) What do I keep the same? C) What do I change? or What am I testing?
A) multiple trials B) a reproducible procedure C) a small sample size D) a control
A) develop a procedure B) make a conclusion C) analyze data D) collect evidence
A) 5-10 snails B) 2-5 snails C) more than 15 snails D) 10-15 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) a raw carrot is hard to chew, and it makes his teeth hurt. D) carrots take a long time to peel, and he doesn’ t like peeling them.
A) a. time of day B) both a and b C) c. none of the above D) b. noise levels
A) neither a or b B) both a and b C) a. distance D) b. time
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) qualitative data C) control data D) quantitative data
A) each person is different, so concluions can only be made about individual people. B) people vary in their responses, but general conclusions can be made. C) no conclusions can be made about people D) people are all the same, and general conclusions can be made.
A) to replace real things in the natural world B) to help explain theories C) to explain or analyze something in detail D) to help us understand the natural world
A) a conceptual model B) a climate model C) a physical model D) a mathematical model
A) mathematical model. B) conceptual model. C) global model. D) physical model.
A) choose the right model. B) visualize the model. C) take apart the model. D) measure the model.
A) a mathematical model B) a physical model C) a conceptual model D) an astronomical model
A) an inquiry B) a debate theory 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 numbers. B) The models have many variables. C) The models have many pages. D) The models are on a disk.
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 line graph would best display the information, because it shows trends clearly. D) A Venn diagram would best display the information, because it shows the relationship between the languages.
A) It uses the smallest possible numbers. B) It preserves the system used in England long ago. C) It can be used by scientists everywhere. D) Its units are based on objects that vary in size.
A) square units. B) meters. C) centimeters. D) liters.
A) meter. B) cubic meter. C) kilogram. D) metric ton.
A) It does not use fractions or decimals. B) It provides a system that can be used only by scientists. C) It reduces the variables in mathematical climate models. D) It allows scientists everywhere to share and compare data.
A) a gram B) a cubic meter C) a kilogram D) a 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) translate data into English. C) base data on many variables. D) note data in multiples of five.
A) No scientists can use them. B) They are not in English. C) All scientists can use them. D) They are always correct.
A) volume B) area C) region D) mass
A) theory B) law C) B) observation D) hypothesis
A) a hypothesis. B) a theory C) a law. D) an observation.
A) adding food color to see how far the salt penetrates the plants B) watering half the plants with pure water and half with salt water C) g increasing the amount of salt added to the water each day D) h cooling the salt water before watering the plants
A) amounts of sugar used B) amount of water used C) amount of time stirring D) temperature of the water
A) Amount of antifreeze added to the water B) Amount of water put into a container C) Temperature at which the water/antifreeze mixture freezes D) Type of thermometer used to measure the freezing point
A) Type of thermometer used to measure the freezing point B) Temperature at which the water/antifreeze mixture freezes C) Amount of water put into a container D) Amount of antifreeze added to the water
A) A graduated cylinder B) A triple-beam balance C) An electronic light meter D) A spring scale
A) Determine the volume of liquid water made by each ice cube. B) Identify and record the temperature of each ice cube before each trial. C) Measure and compare the volume of the pot and the microwave. D) Observe and record the time for each ice cube to completely change to a liquid.
A) because there can only be one correct theory B) to gain recognition as a great scientist C) that research and observations support the theory D) to obtain funding for the research
A) To have enough fish for zoo aquariums B) To keep a healthy population of adult fish C) To have people spend more money on fishing D) To keep other game fish species populations low
A) pH paper B) Microscope C) Binoculars D) Pan balance
A) The percentage of days that have enough sunlight to power a solar water heater B) The location and type of solar cells used in that state C) The number of sunny days per year and the amount of solar power used per year D) The efficiency of solar technology used in that state |