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 C) outdated evidence.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