What are the two types of variables stated in a hypothesis?
What is the independent and the dependent variable?
Putting my plant in the closet will decrease it's chance of living. What is wrong with this hypothesis?
Two types of observations
What are qualitative and quantitative observations?
The horizontal axis
What is the x-axis?
The vertical axis
What is the y-axis?
The basis for determining what data to collect when designing an experiment.
What is a hypothesis?
What step of the scientific method do you predict a possible answer to a problem or question?
What is hypothesis?
This type of observation is measurable.
What is quantitative observation?
What is the X-axis?
The axis that the dependent variable is on
What is the Y-axis?
The responding variable, the data you collect.
What is the dependent variable?
If you drink more milk, will you get stronger bones?
State a good hypothesis for this question.
If you increase the amount of milk you drink, then you will increase the strength of your bones.
This type of observation involves using your senses to describe.
What is qualitative observation?
What are independent and dependent variables on this graph?
Independant - Temperature
Dependent - Altitude
What should researchers do to improve the validity of their experiment?
Repeat the experiment
OR
Increase sample size.
The variable that is changed or manipulated in an experiment.
What is the independent variable?
The group in an experiment that does not receive the experimental treatment.
What is the control group?
Blue, rough, metal are all examples of which type of observation?
What is qualitative observation?
Unless this is a point in the data table, you should NEVER do this... (2 things)
- Connect to the origin (0,0)
- Extend the line past the data point
How many independent variables are used in each experiment?
ONE ONLY!
State the independent and dependent variables in the following experiment:
If you increase the number of times you practice shooting free-throws, then you will increase your chances of making a basket every time.
Independent - practice shooting free throws
Dependent - making baskets
They should be identical in all respects except for one. (The one variable that is changed)
What is quantitative observation?
What is the relationship between temperature and altitude shown in this graph?
As temperature increases, altitude decreases
In an appropriately designed experiment, a scientist is able to test the effect of..