What is the chemical formula for water?

• OH

• H20

• NaCl

• FeO3

Tags

NGSS.MS-PS1-1

What is the first step in the Scientific Method?

• Analyze Data

• Communicate/Share Results

• Ask a Question

• Form a Hypothesis

Elements are substances that CAN be broken down into simpler substances. True or False?

• False

• True

Two or more substances that PHYSICALLY combine are called_____________

• Mixtures

• Solutes

• Compounds

• Elements

A homogeneous mixture is also known as a _____________

• Mixture

• Solution

• Compound

• Solvent

Which are BOTH pure substances?

• Mixtures and Elements

• Compounds and Elements

• Protons and Neutrons

• Mixtures and Compounds

Which tool is used to measure the length of paper clip?

• triple beam balance

• graduated cylinder

• Centimeter ruler

• yard stick

What is the smallest part of an element?

• atom

• molecule

• compound

• element

Tags

NGSS.MS-PS1-1

Elements are made up of many types of atoms. True or False?

• False

• True

Tags

NGSS.MS-PS1-1

Before getting rid of left over chemicals, a student should do what?

• Pour chemicals down the sink

• Pour chemicals in trash can

• Wait for teacher directions

• Drink them