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) A trick in a magic show. B) lightning C) the change of the moon’s shape during the month D) A solar eclipse.
A) a) Characteristic B) b) Property C) Both a and b D) c) Form
A) Theory B) Hypothesis C) Fact D) Law
A) Controlled experiment B) Procedure C) Data D) Variable
A) Unifying B) Function C) Proportion D) System
A) fact B) law C) synopsis D) hypothesis.
A) communicate results. B) simplify data. C) ask a question. D) test a hypothesis.
A) asking questions. about observations B) summarizing research. C) forming expectations. D) accepting investigation results.
A) prove evidence. B) focus an investigation. C) review evidence. D) change results.
A) prove evidence. B) change results. C) focus an investigation. D) draw conclusions.
A) outdated evidence. B) new evidence. C) a repeated question. D) a closed case.
A) chronological order B) They do not follow a set order. C) alphabetical order D) numerical order
A) complex data B) conflicting data. C) ne variable at a time. D) many variables at once.
A) change data. B) prove a theory. C) investigate a question. D) analyze data.
A) forming a hypothesis. B) asking a question. C) testing a hypothesis. D) drawing conclusions.
A) They can honor scientists for their achievements. B) They can make scientific laws based on new discoveries. C) They can include the information in science textbooks. D) They can review evidence to investigate further.
A) communicating results B) asking questions C) analyzing data D) drawing conclusions
A) investigation B) theory. C) concept D) model
A) is not useful in predicting the future. B) ties together many hypotheses and observations. C) is a single hypothesis. D) is often used to explain scientific models.
A) review how the scientific methods were used. B) question the reasoning behind the explanations. C) All of the answer choices D) evaluate the evidence 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 all disagree with the results. B) They review evidence. C) They draw the same conclusions. D) They all agree with the results.
A) There is no new evidence. B) There is new evidence. C) There results are facts. D) There are no new questions.
A) Cycle B) Evolution C) Function D) Equilibrium
A) Hypothesis B) Trade-off C) Fact D) Theory
A) Pros B) Cons C) Benefits D) Trade-off
A) measurement B) hypothesis C) theory D) fact
A) law B) fact C) hypothesis D) theory
A) The texture was rough. B) The shape was circular C) The car traveled at 70 miles per hour D) The flower is red.
A) The texture was smooth B) The water was 65 degrees C. C) There were 6 sides on the shape D) The plant stood 6 cm tall.
A) component B) output C) input D) interaction
A) classification B) interaction C) evolution 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 people listen to music while working then they will work faster because music is like magic C) If the beat to the music is fast then they c. will work faster because they will be more motivated. D) I predict that people who listen to music 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 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) 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) 2 D) 3
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) If I try to catch the ball then it might be better with my right because I am right handed. D) I will catch the ball more times with my left hand because I am left handed.
A) If the string is shorter then the swing time will also be shorter. 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 length of the string changes then swing time might be longer or shorter because you will change the length of string. 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) False B) True
A) True B) False
A) False B) True
A) Controlled variable B) Variable C) Controlled experiment D) Hypothesis
A) conclusion B) controlled variable C) dependant variable D) hypothesis
A) dependant variable B) hypothesis C) conclusion D) controlled experiment
A) controlled variables B) both of the answer choices C) constants D) none of the answer choices
A) both of the answer choices B) manipulated variable C) independant variable D) none of the answer choices
A) none of the answer choices B) dependent variable C) constant 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) responding variable B) dependant variable C) none of the answer choices D) both of the answer choices
A) manipulated variable B) none of the answer choices C) dependant variable D) both of the answer choices
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 do I keep the same? 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 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) What am I measuring? B) What do I change? or What am I testing? C) What do I keep the same?
A) a reproducible procedure B) multiple trials C) a control D) a small sample size
A) collect evidence B) make a conclusion C) develop a procedure D) analyze data
A) 10-15 snails B) more than 15 snails C) 5-10 snails D) 2-5 snails
A) carrots taste dry, and he doesn’t like things that taste dry. B) a raw carrot is hard to chew, and it makes his teeth hurt. C) an uncut carrot is two inches long, and 3 too long to fit in his lunch box. D) carrots take a long time to peel, and he doesn’ t like peeling them.
A) a. time of day B) c. none of the above C) b. noise levels D) both a and b
A) a. distance B) neither a or b C) both a and 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) qualitative data B) quantitative data C) unreliable data D) control 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) people are all the same, and general conclusions can be made. D) no conclusions can be made about people
A) to help us understand the natural world B) to replace real things in the natural world C) to explain or analyze something in detail D) to help explain theories
A) a conceptual model B) a physical model C) a mathematical model D) a climate model
A) global model. B) mathematical model. C) physical model. D) conceptual model.
A) take apart the model. B) measure the model. C) visualize the model. D) choose the right model.
A) an astronomical model B) a mathematical model C) a physical model D) a conceptual model
A) a model B) an inquiry C) a debate theory D) a question
A) a telescopic model B) a physical model C) a conceptual model D) a mathematical model
A) The models have many variables. B) The models are on a disk. C) The models have many pages. D) The models have numbers.
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 Venn diagram would best display the information, because it shows the relationship between the languages. 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) It can be used by scientists everywhere. C) Its units are based on objects that vary in size. D) It uses the smallest possible numbers.
A) meters. B) centimeters. C) liters. D) square units.
A) cubic meter. B) 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 cubic meter D) a gram
A) multiply length times width times height. B) use a thermometer. C) divide mass by volume. D) multiply length times width.
A) base data on many variables. B) share data around the world. C) note data in multiples of five. D) translate data into English.
A) They are always correct. B) No scientists can use them. C) They are not in English. D) All scientists can use them.
A) area B) volume C) mass D) region
A) hypothesis B) law C) theory D) B) observation
A) a theory B) an observation. C) a hypothesis. D) a law.
A) watering half the plants with pure water and half with salt water B) adding food color to see how far the salt penetrates the plants C) h cooling the salt water before watering the plants D) g increasing the amount of salt added to the water each day
A) amount of time stirring B) temperature of the water C) amount of water used D) amounts of sugar used
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) Type of thermometer used to measure the freezing point B) Temperature at which the water/antifreeze mixture freezes C) Amount of antifreeze added to the water D) Amount of water put into a container
A) An electronic light meter B) A triple-beam balance C) A spring scale D) A graduated cylinder
A) Observe and record the time for each ice cube to completely change to a liquid. B) Identify and record the temperature of each ice cube before each trial. C) Determine the volume of liquid water made by each ice cube. D) Measure and compare the volume of the pot and the microwave.
A) to obtain funding for the research B) to gain recognition as a great scientist C) that research and observations support the theory D) because there can only be one correct theory
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) Binoculars B) Pan balance C) pH paper D) Microscope
A) The number of sunny days per year and the amount of solar power used per year B) The percentage of days that have enough sunlight to power a solar water heater C) The location and type of solar cells used in that state D) The efficiency of solar technology used in that state |