Physical/Chemical Changes - Jesse De Los Santos | Biblioteka

Obavezno

1

An ice cube melts, then evaporates.

C

P

Obavezno

1

Hydrogen and oxygen gas combine to form water.

C

P

Obavezno

1

A beaker of salt water is boiled until only the salt is left behind.

C

P

Obavezno

1

A piece of paper is torn into several smaller pieces.

C

P

Obavezno

1

Gasoline combusts in the engine of a car, releasing carbon dioxide and water vapor.

C

P

Obavezno

1

An egg is boiled until it becomes solid.

C

P

Obavezno

1

A scoop of sugar is placed in a blender and ground into a fine powder.

C

P

Obavezno

1

Wood scraps are placed into a chipper, which turns them into sawdust.

C

P

Obavezno

1

A mixture of red and blue marbles is separated and sorted.

C

P

Obavezno

1

A plant performs photosynthesis.

C

P

Obavezno

1

Baking soda is heated, causing it to decompose into calcium and carbon dioxide.

C

P

Obavezno

1

Milk is left sitting out too long, and it sours.

C

P

Obavezno

1

A stainless steel pan is heated on the stove.

C

P

Obavezno

1

A pellet of sodium metal is cut into two pieces with a knife.

C

P

Obavezno

1

A pellet of sodium metal is placed into water, causing an explosion.

C

P

1

Sulfuric acid is poured onto a piece of limestone rock, causing bubbling and fizzing.

C

P

1

A helium balloon is popped.

C

P

1

Electricity is conducted through a long copper wire.

C

P