This state of matter keeps its shape and volume.
What is a solid?
This property tells whether something floats or sinks.
What is buoyancy?
Melting butter.
What is a physical change?
Trail mix is an example of this.
What is a mixture?
Matter has mass and takes up _______.
What is space?
This state of matter takes the shape of its container but keeps its volume.
What is a liquid?
This property describes how hard or soft something is.
What is hardness?
Rusting metal.
What is a chemical change?
In salt water, the water is the _______.
What is the solvent?
Is cutting paper a physical or chemical change? Explain.
What is a physical change? (No new substance is made.)
This state of matter spreads out and fills the space it is in.
What is a gas?
This property tells if something can dissolve in water.
What is solubility?
Burning toast.
What is a chemical change?
In sugar water, the sugar is the _______.
What is the solute?
Give one sign of a chemical change.
What are gas bubbles, colour change, heat, light, or new smell?
This is what all matter has and is measured in grams or kilograms.
What is mass?
This property describes how easily something bends without breaking.
What is flexibility?
Dissolving sugar in water.
What is a physical change?
Name one way to separate sand and water.
What is filtering? (or letting it settle and pouring off water)
Why does mass stay the same when sugar dissolves in water?
Because matter is not created or destroyed; the sugar is still there.
Water can exist in three states. Name all three.
What are solid (ice), liquid (water), and gas (water vapour)?
Name two physical properties of a rock.
Possible answers: colour, hardness, mass, texture, volume, etc.
This type of change creates a new substance.
What is a chemical change?
This type of mixture looks evenly mixed and you cannot see the parts.
What is a solution?
Explain the difference between a mixture and a solution.
A mixture is combined materials that can often be separated easily. A solution is evenly mixed, and one substance dissolves into another.