The study of matter and the changes that it undergoes.
Chemistry
Formula of Density
Density=Mass/Volume
What's the first step in the scientific method?
Ask a question
What country is bigger Spain or Poland?
Spain
Who won the last world cup?
Argentina
Is a tentative, testable statement or prediction about what has been observed.
Hypothesis
Name an example of a important safety rule
Safety shower
What's the second step in the scientific method?
Do a research
How long is the largest river in the world?
Nile--4,132 mi
Who is the best tennis player of all time?
Novak Djokovic
Your group determines that a given quantity of salt completely dissolves with in 1 min at 40 C*, but that the same quantity of salt dissolved after 3 min at 20 C*.
Independent variable
Difference between Independent and Dependent variable
The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect. Its value depends on changes in the independent variable.
What's the third step in the scientific method?
Construct an hypothesis
Whats the typical food in Italy?
Pasta
Who is the goat of Euroleague?
Mike James
To gain knowledge for the sake of knowledge itself.
Pure research
Define dependent variable
Its value changes in response to a change in the independent variable.
What's the fourth step in the scientific method?
Test with an experiment
How many years old is the oldest human in the world?
118 years
What's the main sport in Europe?
Football
It tells how much, how little, how big, how tall, or how fast.
Quantitative data
Define control
That is a standard for comparison.
What's the fifth step in the scientific method?
Analyze data and draw conclusions
How many people lives in US?
331.9 million (2021)
How many balon d'ors does Cristiando Ronaldo have?
5