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 C) outdated evidence.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