A factor in an experiment that can change is a ______.
What is variable?
100
The first step of the scientific method, this is what we do when we have a scientific curiosity.
What is ask a question?
100
We put a plant in the closet, and one in the window. We observe any changes over the coming weeks, and we notice that the plant in the window is healthier. What is independent variable being tested?
What is the amount of light a plant receives?
100
These process skills involves comparing an object to a standard unit of measurement.
What is measuring?
200
At the end of the experiment, you make a statement that either confirms or rejects your hypothesis. This statement is called...
What is a conclusion?
200
In the second step of the method, we form an educated guess, based on research, prior knowledge, and common sense.
What is a hypothesis?
200
In a controlled experiment a scientist is studying how long it takes parachutes of different sizes to fall to the ground. What is the manipulated variable?
What is different sizes of the parachute?
200
When you are using your five senses to gather information you are using this process skill.
What is observing?
200
One tool that cannot be used to display your data is
a. a graph
b. a computer
c. a microscope
d. a chart
What is a microscope?
300
A prediction or statement that can be tested is a
What is a hypothesis?
300
The third step of the method has us design a plan, gather materials, and perform a test. This is the ________________ stage.
What is experiment?
300
We close our eyes while a classmate walks to an unknown spot in the room. We listen as she drops a quarter. We point to where we think it came from. We then plug one ear and she does the same.
What is the dependent variable in this experiment?
What is the amount we can hear? It is dependent on whether one ear or two ears were listening.
300
Your friend shows up soaking wet carrying an umbrella. You come up with a logical explanation based on your observations. You think it must be raining out. The process skill you are using is ____________.
What is inferring or inferencing?
300
A statement that describes what scientists expect to happen every time under a given set of conditions is called a scientific ________.
What is theory?
400
The observations and measurements that you record during the experiment are important. Another name for this information is this...
What is data?
400
We use tools to gather ________ and record our results of the experiment.
What is data?
400
In an experiment, the things that change are called this...
What is variables?
400
When you decide whether or not the data support the original hypothesis, you are using this process skill.
What is drawing a conclusion (or analyzing data)
400
What sentence best describes a scientific theory?
a. It can never change.
b. It can change every time it is tested.
c. It can be proven conclusively without any doubts.
d. It is well-tested and explains a wide range of observation.
What is d. It is well-tested and explains a wide range of observations.
500
A sample that is treated exactly like the other experimental groups except that the variable is not applied to it is a
What is control?
500
When we have collected the data, we study the results of the experiment and form a _____________ based on those results.
What is the conclusion?
500
In an experiment, the thing that gets changed or manipulated on purpose is called this...
What is the independent variable?
500
When a scientist shares his or her findings with other scientists, the scientist is ___________.
What is communicating?
500
Which characteristic must be true of a hypothesis?
a. It must involve quantitative data.
b.It must be observed many times.
c. It must be testable.
d. It must be correct.