Physical Science Chapter 2 Test

What is defined as the study of composition, structure, and properties of matter and the changes it undergoes?

• Atom

• Chemistry

• Compound

• Mixture

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What is the most abundant element of Earth?

• Iron

• Nitrogen

• Gold

• Silver

Tags

NGSS.MS-PS1-1

What is the most abundant element of the human body?

• Carbon Dioxide

• Lead

• Iron

• Oxygen

What are the smallest units of an element that maintains the properties of that element?

• Pieces

• Compound

• Atom

• Matter

What is the smallest unit of a substance that keeps all the physical and chemical properties of that substance?

• Molecule

• Density

• Chemistry

• Mixture

Tags

NGSS.MS-PS1-1

In the chemical formula H₂O₂, how many total atoms are present?

• 2

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

Some properties of matter, such as color and shape are called __________________?

• Chemical Properties

• Physical Properties

What 2 physical properties will always be constant for a pure substance?

• Melting Point and Density

• Boiling Point and Density

• Melting Point and Boiling Point

• Density and Matter

What is the equation for finding density?

• Density = melting point + boiling point

• Density = temperature - mass

• Density = mass X volume

• Density = mass divided by volume

What is the density of water?

• 2.7

• 1

• 1.3

• 100