Ch. 7 & 8 Review

Everything is made up of...

• Mass

• Space

• Matter

• Compounds

Tags

NGSS.MS-PS1-5

Which of the following is a pure substance?

• Milk

• Yogurt

• Water

• Soda

Tags

NGSS.MS-PS1-4

Which is a physical change?

• Ice melting

• Wood burning

• Iron rusting

• Food digesting

Tags

NGSS.MS-PS1-4

What is the formula for density?

• D = v/m

• D = m/v

• D = m*v

• D = v*m

Does the picture represent a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Which state of matter has an indefinite shape and volume?

• Solid

• Liquid

• Gas

Which state of matter is represented by the picture?

• Solid

• Liquid

• Gas

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Which statement about atomic structure is INCORRECT?

• Protons are positive and located in the nucleus.

• Neutrons are negative and located in the nucleus.

• Electrons are negative and located in the electron cloud.

Tags

NGSS.MS-PS1-1

Does the following image represent a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

Zinc is an element that has multiple properties. Check the properties of Zinc that are PHYSICAL.

• Zinc is a silver-gray color.

• Zinc melts at over 400 degrees.

• Zinc reacts slowly with Oxygen gas (O2) to form Zinc oxide (ZnO).     

• Zinc has a density of 7.13 g/cm3.