Chemistry Honor

Is "wood burning in a fireplace" a chemical or physical change?

• Chemical change
• Physical change

Is "sugar dissolves in water" a chemical or physical change?

• Chemical change
• Physical change

A pencil is sharpened.  Physical or chemical change?

• Physical change
• Chemical change

Ice melting is an example of a _________.

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-4

Which is a chemical change?

• Coloring a picture with crayons
• Squeezing juice from an orange
• Toasting bread
• Washing your hands

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is NOT a sign of a chemical change?

• Change in color
• Gas or heat was produced
• New substance is formed
• Change of state

Tags

NGSS.MS-PS1-2

Which of these is a physical change?

• Burning a candle
• Putting mentos in coke
• Blowing up a balloon
• Digesting chips

The density of pyrite is 5g/cm³ . This is an example of a(n)...

• intensive property
• extensive property
• chemical change
• chemical property

The rose is red. This is an example of a(n)...

• extensive property
• Chemical property
• intensive property
• physical change

The mass of a lead cube is 64 grams. This is an example of a(n)...

• intensive property
• extensive property
• chemical change
• physical change