Chemical Change Presentation

Multiple Choice

new matter that can be reversed back to the original parts

• chemical change

• physical change

• condensation

• properties

Multiple Choice

new matter that can NOT be reversed to the original parts

• chemical change

• physical change

• evaporation

• properties

Multiple Choice

If we mix two clear liquids together, and they suddenly turn blue, this would be a sign of a _____.

• evaporation process
• physical change

• color change
• chemical change

Multiple Choice

Which would be a chemical change?

• Sugar dissolving in water
• water boiling and evaporating

• candle wax melting

• paper catching on fire and becoming ash

Multiple Choice

Ms. King mixed two liquids together. They got very warm and created a strange smell. This is evidence of a _________.

• chemical reaction

• evaporation process
• solution formation
• physical change

Multiple Select

What three pieces of evidence show a chemical change has taken place?

• a gas is formed

• a mixture is made

• a new shape is created

• there is a color change

• a new substance is produced

Multiple Choice

If you leave metal in the rain, what chemical reaction is likely to occur?

• Rusting of metal is likely to occur.

• No reaction occurs at all
• Melting of metal due to heat
• atom start to decay

Multiple Choice

When you mix vinegar and baking soda, bubbles are produced and the balloon inflates. What happened to the vinegar and baking soda?

• The vinegar and baking soda evaporated completely.
• The vinegar and baking soda turned into water.
• The vinegar and baking soda formed a solid compound.
• A chemical reaction occurred, producing a gas.

Multiple Choice

Leaves change colors every fall. We know this is a chemical change, because

• it happens every fall

• the leaves never go back to being green.

• the leaves fold up

• the colors can be orange, yellow, or brown.