A) Rain is caused when warm air cools, the water vapor condenses, and the dropletts become to heavy to stay in the air. B) Interactions between particles from the sun and the earth’s magnetic field cause the Aurora Borealis. C) All of the explanations are natural. D) The length of day is caused by Appollo riding his chariot into the sky.
A) Do red grapes taste better than green grapes? B) Are there more people who like red grapes than green grapes? C) Does voodoo magic cause people to get sick in parts of Africa? 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) Both a and b B) c) Form C) b) Property D) a) Characteristic
A) Hypothesis B) Fact C) Law D) Theory
A) Variable B) Procedure C) Controlled experiment D) Data
A) System B) Proportion C) Unifying D) Function
A) fact B) law C) hypothesis. D) synopsis
A) communicate results. B) test a hypothesis. C) simplify data. D) ask a question.
A) accepting investigation results. B) summarizing research. C) forming expectations. D) asking questions. about observations
A) change results. B) prove evidence. C) focus an investigation. D) review evidence.
A) change results. B) draw conclusions. 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 B) outdated evidence.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) chronological order C) alphabetical order D) They do not follow a set order.
A) many variables at once. B) ne variable at a time. C) conflicting data. D) complex data
A) prove a theory. B) change data. C) investigate a question. D) analyze data.
A) testing a hypothesis. B) drawing conclusions. C) forming a hypothesis. D) asking a question.
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) drawing conclusions B) asking questions C) analyzing data D) communicating results
A) investigation B) model C) concept D) theory.
A) is a single hypothesis. B) is not useful in predicting the future. C) is often used to explain scientific models. D) ties together many hypotheses and observations.
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 the data are correct B) if their questions are useful C) if other scientists agree with them D) if their results support their hypotheses
A) They review evidence. B) They all disagree with the results. C) They all agree with the results. D) They draw the same conclusions.
A) There is no new evidence. B) There is new evidence. C) There are no new questions. D) There results are facts.
A) Function B) Cycle C) Evolution D) Equilibrium
A) Trade-off B) Theory C) Hypothesis D) Fact
A) Cons B) Trade-off C) Benefits D) Pros
A) measurement B) fact C) hypothesis D) theory
A) fact B) law C) theory 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 plant stood 6 cm tall. B) The water was 65 degrees C. C) There were 6 sides on the shape D) The texture was smooth
A) input B) output C) component D) interaction
A) equilibrium B) evolution C) interaction D) classification
A) I predict that people who listen to music will work faster because they will be more motivated. 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) 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 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. B) 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. 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 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) 1 B) 4 C) 3 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 length of the string changes then swing time might be longer or shorter because you will change the length of string. 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) 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) False B) True
A) True B) False
A) True B) False
A) Hypothesis B) Variable C) Controlled experiment D) Controlled variable
A) controlled variable B) dependant variable C) conclusion D) hypothesis
A) hypothesis B) conclusion C) controlled experiment D) dependant variable
A) both of the answer choices B) none of the answer choices C) controlled variables D) constants
A) none of the answer choices B) independant variable C) manipulated variable D) both of the answer choices
A) constant B) dependent variable C) none of the answer choices D) both of the answer choices
A) none of the answer choices B) independant variable C) dependant variable D) both of the answer choices
A) none of the answer choices B) both of the answer choices C) responding variable D) dependant variable
A) both of the answer choices B) none of the answer choices C) dependant variable D) manipulated variable
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 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 keep the same? B) What am I measuring? C) What do I change? or What am I testing?
A) a reproducible procedure B) multiple trials C) a small sample size D) a control
A) make a conclusion B) develop a procedure C) analyze data D) collect evidence
A) more than 15 snails B) 2-5 snails C) 5-10 snails D) 10-15 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) b. noise levels B) a. time of day C) c. none of the above D) both a and b
A) both a and b B) a. distance C) b. time D) neither a or b
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) 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 help explain theories B) to help us understand the natural world C) to explain or analyze something in detail D) to replace real things in the natural world
A) a physical model B) a conceptual model C) a mathematical model D) a climate model
A) conceptual model. B) global model. C) physical model. D) mathematical model.
A) take apart the model. B) measure the model. C) visualize the model. D) choose the right model.
A) a mathematical model B) a conceptual model C) an astronomical model D) a physical model
A) a question B) a model C) a debate theory D) an inquiry
A) a conceptual model B) a physical model C) a telescopic model D) a mathematical model
A) The models are on a disk. B) The models have many pages. C) The models have many variables. D) The models have numbers.
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 circle graph would best display the information, because it allows you to compare the different categories to the whole. D) A line graph would best display the information, because it shows trends clearly.
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) centimeters. B) meters. C) liters. D) square units.
A) metric ton. B) kilogram. C) meter. D) cubic meter.
A) It allows scientists everywhere to share and compare data. B) It reduces the variables in mathematical climate models. 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 gram D) a kilogram
A) use a thermometer. B) multiply length times width times height. C) multiply length times width. D) divide mass by volume.
A) note data in multiples of five. B) share data around the world. C) translate data into English. D) base data on many variables.
A) They are not in English. B) All scientists can use them. C) No scientists can use them. D) They are always correct.
A) volume B) area C) mass D) region
A) B) observation B) law C) hypothesis D) theory
A) a law. B) an observation. C) a hypothesis. D) a theory
A) g increasing the amount of salt added to the water each day B) adding food color to see how far the salt penetrates the plants C) h cooling the salt water before watering the plants D) watering half the plants with pure water and half with salt water
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 water put into a container C) Type of thermometer used to measure the freezing point D) Amount of antifreeze added to the water
A) Temperature at which the water/antifreeze mixture freezes B) Amount of antifreeze added to the water C) Type of thermometer used to measure the freezing point D) Amount of water put into a container
A) A triple-beam balance B) A graduated cylinder C) An electronic light meter D) A spring scale
A) Determine the volume of liquid water made by each ice cube. B) Measure and compare the volume of the pot and the microwave. C) Observe and record the time for each ice cube to completely change to a liquid. D) Identify and record the temperature of each ice cube before each trial.
A) to obtain funding for the research B) that research and observations support the theory C) because there can only be one correct theory D) to gain recognition as a great scientist
A) To keep a healthy population of adult fish B) To keep other game fish species populations low C) To have enough fish for zoo aquariums D) To have people spend more money on fishing
A) Binoculars B) pH paper C) Pan balance D) Microscope
A) The percentage of days that have enough sunlight to power a solar water heater B) The number of sunny days per year and the amount of solar power used per year C) The efficiency of solar technology used in that state D) The location and type of solar cells used in that state |