Chemical and Physical Changes

Front

Which is a way that a piece of paper can go through a chemical change? Options: fold the paper in half, soak the paper in water, burn the paper with fire, cut the paper with scissors

Back

burn the paper with fire

Front

Which of these is an example of a new substance being formed? Options: a nail rusting, a wall being painted, water changing to steam, paper being folded

Back

a nail rusting

Front

Which is an example of a chemical change? Options: baking a cake, freezing water, crushing a can, breaking an egg

Back

baking a cake

Front

Stanley left an ice cube on his kitchen counter. An hour later, Stanley observed that the ice cube melted. Which statement best describes this change?

Back

Ice melting is a physical change because it may be reversed.

Front

Which of the following is NOT an example of a physical change? Options: crumpled paper, pencil sharpening, shrunken clothing, sour milk

Back

sour milk

Front

A green powder is heated & a gas is given off while it turns to a black solid. This describes

Back

Chemical Change

Front

Which of the following could indicate that a chemical change took place? Change in color, Production of Energy, Formation of Gas, All are correct

Back

All are correct

Front

Difference between a Physical change and a Chemical change.

Back

All are correct.

Front

Identify what type of change happening in the picture below...

Back

Chemical Change

Front

Identify what type of change happening in the picture below...
Options: Chemical Reaction, Physical Change, Change in State, Change in appearance only

Back

Chemical Reaction