Semester One Review PART ONE

Match it! Select the correct answer from the pull down...Good luck!

A student observes actions that occurred in four different eggs. Which action describes ONLY a chemical change.

Which of the following is a physical change?

Which of these is the smallest particle of matter?

Which of these must form when two elements join together during a chemical change?

When copper reacts with oxygen in the air, a color change takes place that turns the surface of the copper green. What type of change occurs to produce this color change?

The variable in a scientific experiment that is measured is called the ______________.

Which of the following elements makes up about 21% of the Earth's atmosphere?

Which of the following pieces of lab equipment would be the best choice for measuring 100 ml of water?