This is when you use your five senses to gather information.
What is observing?
100
This is the tool or instrument you would use to measure the weight of an object.
What is a scale?
100
A testable explanation to a scientific question is this.
What is a hypothesis?
100
This is the variable you purposely manipulate or change to test a hypothesis.
What is the independent variable?
100
This is how many variables you are allowed to change at one time in a controlled experiment.
What is ONE?
200
Interpreting or explaining observations based on reasoning from what you already know is called this.
What is inferring?
200
This is the tool you would use to measure the volume of a liquid or the volume of a irregular shaped solid.
What is a graduated cylinder?
200
Which of the following questions can be answered with a scientific investigation. (explain why!!!)
Are happy people taller than unhappy people?
Does adding salt to water make it boil faster?
What is Does Adding Salt to water make it boil faster??? (it can be tested whereas the other question involved opinions....what is considered "happy" or "unhappy"?
200
A scientific hypothesis must be this....?
What is TESTABLE?
200
If you observe an ant colony and record what you notice about their behavior, you would be doing this kind of research.
What is observational research?
300
When I woke up this morning, I heard the dogs barking, I smelled smoke, and my throat and eyes were burning. This is this type of statement.
What is an observation?
300
This is the instrument or tool used to measure the mass of an object.
What is a balance?
300
This is what you should do when only some of your results support your hypothesis.
What is REVISE your experiment to better control the variables?
300
This is the factor that may change in response to the independent variable. It is the factor you measure to gather the results.
What is the dependent variable?
300
This is why scientists keep accurate and detailed records.
What is so that their investigations can be repeated and get the same results?
400
When I woke up this morning, I heard the dogs barking, I smelled smoke, and my throat and eyes were burning. Make a reasonable inference from the statement above.
What is there is a FIRE in my house? (Accept all reasonable inferences)
400
The metric system of measurement (SI) is used to collect this.
What is numeric data? (NUMBERS!)
400
Karlie wants to design an experiment that will test whether a new plant food makes a grape vine produce more grapes. This is the dependent variable in this experiment.
What is the number of grapes produced?
400
This is the group that serves as the standard of comparision; it is exposed to the same conditions as the experimental group, except for the variable being tested.
What is the control variable?
400
These are the steps of the scientific method that come BEFORE stating a hypothesis.
What is asking questions? (also research)
500
When the sky is dark and gray, it rains ten minutes later. This is this kind of statement.
What is an inference?
500
This is the formula for density.
What is Density = Mass/Volume (density equals mass divided by volume)
500
A farmer wants to know whether a new feed supplement will increase the milk production in his goats. He feeds one group of goats the supplement and no supplement to the other group of goats. What do you call the group of goats that are not given the feed supplement?
What is the control group?
500
If you asked people questions using surveys and interviews, and then analyze the collected data, you would be performing this kind of research.
What is opinion-based research?
500
This is what you should do when you realize that you did not control the variables in an experiment.
What is REVISE your experiment and only change one variable (the independent) variable.