Integrated Science Final

Front

What is the normal force acting on a 0.7 kg hockey puck with no vertical forces?

Back

0.7 N

Front

What is the name of the compound NaCl?

Back

Sodium chloride

Front

What is the name of the compound N2O?

Back

Dinitrogen oxide

Front

Balance the equation: ___ Na + ___ Cl2 → ___ NaCl

Back

2 Na + 1 Cl2 → 2 NaCl

Front

What should you do if your hypothesis is not supported by your experiment?

Back

Analyze what went wrong and form a new hypothesis.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = m × a)

Front

What is the pH scale used for?

Back

To measure the acidity or alkalinity of a solution.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change alters its chemical composition.