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 B) outdated evidence.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