Georgia Milestone Practice Physical Science

Evidence of a chemical change would be a

• melting popsicle
• spinning top
• spilled bucket of water
• rusting car fender

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Moisture that collects on the outside of a cold glass results from the process of

• evaporation
• condensation
• sublimation
• vaporization

Tags

NGSS.MS-PS1-4

A hot air balloon rises because

• molecules become lighter when heated
• molecules move faster and farther apart when heated
• molecules are less attracted by gravity when heated
• molecules become charged and repel each other when heated

Tags

NGSS.MS-PS1-4

The solid, liquid, and gaseous states of water differ from each other in

• the mass of the individual atoms 
• the size of he individual atoms
• the net electrical charge of the individual molecules
• the average speed of movement of the individual molecules

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?

• Both mixtures and compounds are the same throughout
• Mixtures and compounds are made of two or more elements in a definite proportion
• mixtures must be separated by chemical methods and compounds by physical methods
• mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined

Which symbolizes a molecule of a compound?

• He
• Be
• N2
• NaCi

Tags

NGSS.MS-PS1-1

A different chemical substance is formed when

• piece of cloth is cut
• cup breaks 
• candle burns
• piece of chalk breaks

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Carbon dioxide CO2 is...

• an element

• a compound

• a solution

• a mixture

Tags

NGSS.MS-PS1-1

A chemical change combining two elements results in...

• an atom
• a compound
• an element
• a mixture

Tags

NGSS.MS-PS1-5

All plant and animal life on Earth contains what element?

• sulfur
• carbon
• silicon
• aluminum