What form does a hypothesis take, and which variables does it involve?
An if–then statement involving an independent variable and a dependent variable.
What is the purpose of an if–then hypothesis?
It states a relationship involving an independent variable and a dependent variable.
Which variable is changed or tested in an experiment?
The independent variable.
Which variable is measured in an experiment?
The dependent variable.
What materials and method should be used to draw and label a diagram?
Use pencil and a ruler, and label it with words.
What does a conclusion answer about the independent variable?
The question being investigated.
How many control variables should an experiment have?
Three or four.
Answer 5 questions on Variables and Hypotheses.
1. A student tests how water temperature affects the time sugar takes to dissolve, recording the time for each trial. Which variable is the dependent variable?
2. A student changes the amount of light plants receive and records their growth. Which variable is the independent variable?
Go over the full study guide for Variables and Hypotheses.
Read the study guide →Upload your class notes and Revizly writes your flashcards in about a minute.
Flashcard maker