8th Grade Science Semester 1

Front

What is an experiment?

Back

An investigation used to test a hypothesis in which all the conditions are controlled.

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Front

What is a chemical equation?

Back

A representation of a chemical reaction.

Front

Is it safe to pick up broken glass with your bare hands?

Back

False

Front

When using a razor blade or scalpel, how should you cut material?

Back

Always cut away from you.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What are reactants in a chemical reaction?

Back

The starting materials in a chemical reaction.

Front

What are products in a chemical reaction?

Back

The new substances that are formed in a chemical reaction.

Front

What does a balanced chemical equation represent?

Back

It shows that the number of atoms for each element is the same on both sides of the equation.

Front

What is the purpose of a control in an experiment?

Back

To provide a standard for comparison and to ensure that the results are due to the variable being tested.