PART 1
- Polonium metal is kept submerged in toluene in its purest contact with air and water. → CHEMICAL PROPERTY
- A penny is copper can be pounded into a thin sheet. → PHYSICAL PROPERTY
- Sodium reacts with chlorine gas to form sodium chloride. → CHEMICAL PROPERTY
- Gasoline is flammable. → CHEMICAL PROPERTY
- Helium gas will not react with other elements. → CHEMICAL PROPERTY
PART 2
- A sugar cube dissolves in a cup of tea. → PHYSICAL CHANGE
- Burning wood releases energy, light, and heat. → CHEMICAL CHANGE
- Breaking glass. → PHYSICAL CHANGE
- Cutting fresh strawberries because they’ve grown too large. → PHYSICAL CHANGE
- Melting ice cream on a hot summer day. → PHYSICAL CHANGE
- Baking a cake for your friend’s birthday. → CHEMICAL CHANGE
- Slicing an apple. → PHYSICAL CHANGE
PART 3
- Flammability → CHEMICAL PROPERTY
- Reacts with oxygen → CHEMICAL PROPERTY
- Boiling point → PHYSICAL PROPERTY
- Melting point → PHYSICAL PROPERTY
- Conductivity → PHYSICAL PROPERTY
- Crushing a can → PHYSICAL CHANGE
- Digesting food → CHEMICAL CHANGE
- Rusting iron → CHEMICAL CHANGE
- Length of a ruler → PHYSICAL PROPERTY
- Chopping vegetables → PHYSICAL CHANGE
- Color, odor, and taste with baking soda → PHYSICAL PROPERTY
- Freezing water → PHYSICAL CHANGE
- Milk sours → CHEMICAL CHANGE
- Iron filings rusting → CHEMICAL CHANGE
- Mixing salt and water → PHYSICAL CHANGE
- Wood burning → CHEMICAL CHANGE
Parent Tip: Review the logic above to help your child master the concept of worksheet on chemical vs physical properties and changes.
