Density of water
Solubility of water
Boiling point of water
Chemical reactivity of water
Water was vaporized.
A chemical change took place.
The lithium was dissolved by the water.
Dissolved gases were released.
A physical changes because the can is heated and reshaped
A chemical changes because new metal is formed
A physical change because the no changes are made
A chemical change because an old can is changed into a new can
Rust results from a physical mixing of iron with water.
Rust forms from a chemical breakdown of old metal.
Rust results from a chemical reaction between iron and water.
Rust forms from a physical change when wind blows against metal.
Energy is absorbed.
Energy is released.
Energy stays the same.
It changes 5 colors
The equipment was heated before the experiment.
The shape of the substance changed.
The volume of the substance changed.
The substance changed into a new substance.
A substance melting
A substance evaporating
Bubbles forming when two substances are mixed
Temperature remaining the same when two substances are mixed
A physical change created a new yellow solution.
A chemical change created a new yellow solution.
A physical change created a new yellow precipitate.
A chemical change created a new yellow precipitate.
Increase of volume in the beaker
Decrease of volume in the beaker
Increase in temperature of the beaker
Increase in height of the beaker
Test the malleability of the block
Determine the mass of the block
Calculate the density of the block
Observe the reaction between the block and a nonmetal
Yarn being knitted into a sweater
The engine from a tractor being started
The metal on a bicycle forming rust
Grass capturing the energy from sunlight
A piece of metal is cut in half.
An ice cube melts on a counter.
A camper roasts marshmallows over a burning fire.
A baker mixes together flour and sugar to make dough.