Scientists notice something around them. They use their 5 senses.
Observation
The plant is wilting because it is not receiving enough water..
Hypothesis
The factor that is changed
Independent Variable
Ahmed is conducting an experiment to test how different types of fuel will affect a cars performance. What is the independent variable in this experiment?
The types of fuel
A prediction and a hypothesis are based on....
Observations
Based on their observation scientists ask.....
Ask a question
I got two plants that were the same, put them in the same pot with the same soil. I watered plant A everyday and plant B once a week.
Test Hypothesis
The variable that stays the same
Control Variable
Khaled sets up an experiment to see if changing the height of a ramp affects the distance a ball rolls off the ramp. What is the independent variable in this experiment?
Height of the ramp
A prediction is a
guess
Scientists develop an investigation to see if their hypothesis is correct or not.
Test the hypothesis
The plant is wilted.
Observation
The thing you are measuring.
Dependent variable
Saif wants to know if the size of a wand will make bigger bubbles. Which variable needs to remain constant?
Type of soap
Hypothesis
After the data is reviewed scientists state if their hypothesis is correct or not.
Conclusion
After a month I checked on the plants again plant A was healthy and growing, while plant B was wilting and dying.
Collect Data
Any factor in an experiment
Variable
Khaled sets up an experiment to see if changing the height of a ramp affects the distance a ball rolls off the ramp. What is the dependent variable in this experiment?
Distance the ball rolls
A gummy worm has 18 segments. Is this qualitative or quantitative data?
Quantitative
Collect Data
I was correct, the plant was wilting because it was not receiving enough sunlight.
Conclusion
In an experiment the ________ variable remains constant.
Control
Ahmed is conducting an experiment to test how different types of fuel will affect a cars performance. What is the control variable in this experiment?
The type of car
Which is an observation:
Football is fun.
Cats are the best animals
The sky is blue.
The sky is blue