Semester one review

Front

What is the variable you measure in an experiment called?

Back

Dependent variable

Front

True or False: A test may have more than one independent variable at a time.

Back

False

Front

What are anions always?

Back

Larger than their neutral atom

Front

What do you call atoms of the same element with different numbers of neutrons?

Back

Isotopes

Front

Which variable responds to what is being tested?

Back

Dependent variable

Front

What is the variable called that you change in an experiment?

Back

Independent variable

Front

What is the purpose of a control variable in an experiment?

Back

To keep other factors constant

Front

What is the charge of an anion?

Back

Negatively charged

Front

What is the difference between an ion and an isotope?

Back

An ion is charged due to loss or gain of electrons, while an isotope has a different number of neutrons.

Front

What is the definition of a hypothesis?

Back

A testable prediction about the relationship between variables.