7.6C, 6.6E Physical vs Chemical Changes

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31 questions

1

Use the following interactive website to learn more about chemical reactions. 

Which of the following is a chemical reaction?

Painting a wall blue

A bicycle rusting

Cutting a piece of paper into two pieces

Scratching a key across a desk 

Which of the following is NOT a chemical reaction?

Shattering Glass with a baseball

Corroding Metal

Fireworks Exploding

Lighting a match

Which of the following is NOT a chemical reaction?

Frying an egg

Slicing carrots

Fireworks Exploding

Lighting a match

Determine whether the following examples are true (T) or false (F).

1

Changing the size and shapes of pieces of wood would be a chemical change.

1

In a physical change, the makeup of matter is changed.

1

Evaporation occurs when liquid water changes into a gas.

1

Evaporation is a physical change.

1

Burning wood is a physical change.

1

Combining hydrogen and oxygen to make water is a physical change.

1

Breaking up concrete is a physical change.

1

When ice cream melts, a chemical change occurs.

1

Acid rain damaging a marble statue is a physical change.

Determine whether each example is a chemical (C) or physical (P) change. 

1

Two chemical are mixed together and a gas is produced.

1

A bicycle changes color as it rusts.

1

A bicycle changes color from rusting.

1

A bicycle changes color from being painted.

1

An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.

1

Two substances are mixed and light is produced.

1

A piece of ice melts and reacts with sodium.

1

Mixing salt and pepper.

1

A marshmallow is cut in half.

1

Vinegar curdling milk and creating chunks of whey.

1

A penny becoming oxidized, tarnished, and dull.

1

Creating a precipitate (solid) from two liquids.

1

Fireworks going off.

Use the following interactive website to learn more about chemical reactions. 

Which of the following is a chemical reaction?

Painting a wall blue

A bicycle rusting

Cutting a piece of paper into two pieces

Scratching a key across a desk 

Which of the following is NOT a chemical reaction?

Shattering Glass with a baseball

Corroding Metal

Fireworks Exploding

Lighting a match

Which of the following is NOT a chemical reaction?

Frying an egg

Slicing carrots

Fireworks Exploding

Lighting a match

An example of a physical change is _______________________________________.

burning wood

cutting paper

souring milk

rusting nail

A physical change does not change the composition of the substance.

True

False

Select all examples of chemical changes.

 Which of the following is a chemical reaction? 

Painting a wall blue

A bicycle rusting

Cutting a piece of paper into two pieces

Scratching a key across a desk 

 Which of the following is NOT a chemical reaction? 

Shattering Glass with a baseball

Corroding Metal

Fireworks Exploding

Lighting a match

 Which of the following is NOT a chemical reaction? 

Frying an egg

Slicing carrots

Fireworks Exploding

Lighting a match

Determine whether the following examples are true (T) or false (F).

Changing the size and shapes of pieces of wood would be a chemical change.

In a physical change, the makeup of matter is changed.

Evaporation occurs when liquid water changes into a gas.

Evaporation is a physical change.

Burning wood is a physical change.

Combining hydrogen and oxygen to make water is a physical change.

Breaking up concrete is a physical change.

When ice cream melts, a chemical change occurs.

Acid rain damaging a marble statue is a physical change.

Determine whether each example is a chemical (C) or physical (P) change. 

Two chemical are mixed together and a gas is produced.

A bicycle changes color as it rusts.

A bicycle changes color from rusting.

A bicycle changes color from being painted.

An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.

Two substances are mixed and light is produced.

A piece of ice melts and reacts with sodium.

Mixing salt and pepper.

A marshmallow is cut in half.

Vinegar curdling milk and creating chunks of whey.

A penny becoming oxidized, tarnished, and dull.

Creating a precipitate (solid) from two liquids.

Fireworks going off.

 Which of the following is a chemical reaction? 

Painting a wall blue

A bicycle rusting

Cutting a piece of paper into two pieces

Scratching a key across a desk 

 Which of the following is NOT a chemical reaction? 

Shattering Glass with a baseball

Corroding Metal

Fireworks Exploding

Lighting a match

 Which of the following is NOT a chemical reaction? 

Frying an egg

Slicing carrots

Fireworks Exploding

Lighting a match

An example of a physical change is _______________________________________.

burning wood

cutting paper

souring milk

rusting nail

A physical change does not change the composition of the substance.

True

False

Select all examples of chemical changes.

Boiling water

Cooked pancakes

Soured Milk

Pencil shavings

Ice melting

Ash left after a fire