Variables
What is a variable?
Is anything that might affect the outcome of an investigation
How many types of forces exists? ( The one that we had seen)
What is a scientific method?
The scientific method is defined as a method of research in which a problem is identified.
In the axis of graphs, which and has the dependent or independent variable?
x axis= independent variable
y axis= dependent variable
What are the 2 most common resources to plot your data?
In a graoh or chart
What is an independent variable?
The one that you can change it and is not affect it from other variable
What is the main thing that forces do?
Forces exlplain why objects move and in the way they move,they can change the direction that objects are moving or their shape
What things does the scientific method have?
The scientific method include: 1) asking a question about something you observe, 2) doing background research to learn what is already known about the topic, 3) constructing a hypothesis, 4) experimenting to test the hypothesis, 5) analyzing the data from the experiment and drawing conclusions, and 6) communicating the results to others.
What type of force are friction and air resistance?
contact force
In your chart, you must exclude your______
outliners
What is a dependent variable?
Is the one that change when you change the independent variable
How are called the measures for forces?
A force meter, also called a newton meter.
Whjy is important scientific method?
It provides an objective, standardized approach to conducting experiments and, in doing so, improves their results. By using a standardized approach in their investigations, scientists can feel confident that they will stick to the facts and limit the influence of personal, preconceived notions.
What includes the mean?
What are the principal things you plot in a chart of your investigation?
Your variables
What is a control group?
The comparisons that are made in an experiment. And the affect or treatment are not given to it.
How are called the ones that come in two?
Action-reaction force pairs.
Which is the most important part of the scientific method?
Problem, Purpose, or Research Question: The problem or research question is the single most important part of the scientific method. Every part of your project is done to answer this question.
How many cats does the teacher has?
2
What type of graph or chart you should plot if one of your variables is discrete?
a pie chart
What is a control variable?
A control variable is anything that is held constant or limited in a research study. It’s a variable that is not of interest to the study’s aims, but is controlled because it could influence the outcomes.
True or false? Can astronauts burp in the space?
FALSE! When they are in the orbit, the gas and liquid does not separate in their stomache.
What happen if you don't repeat the experiment minimum 2 times?
The result will not be acurate and precise and you will have 2 weird and different results
Pedro wants to see you much does it distract students in an exam loudly noises. So he got 3 groups, one with so many loud noises, and the other one with not many loud noises as the other one. 1.-What does Pedro is missing? 2.- What is the dependent and independent variable? 3.- What is the control variables?
4. The quantity of students and their age...
If your variables are continous then you should plot them in a ?
a line graph