Matter
What is Matter?
Anything that has mass and takes up space.
Which state has the strongest forces between particles?
Solid
What is the name for liquid turning into a gas?
Evaporation or boiling.
What is a pure substance?
Made of only one type of particle.
Which technique separates solids from liquids?
Filtration
You spill a mix of marbles and rice. How do you separate them?
Hand-picking
Name the three main states of matter.
Solid, Liquid, Gas
Which state can be compressed easily?
Gas
What is it called when a gas turns straight into a solid?
Deposition
What is a mixture?
A physical combination of two or more substances.
Which technique separates salt from saltwater?
Evaporation
How can you remove oil from water?
Decanting or using a separating funnel.
What is Particle Theory?
All matter is made up of tiny particles that are constantly moving.
What state takes the shape of its container but has a fixed volume?
Liquid
What happens to kinetic energy during condensation?
It decreases
What is a solute?
The substance being dissolved.
What does chromatography separate?
Dissolved substances with different colours.
How would a water treatment plant clean dirty water?
Filtration, flocculation, and sedimentation.
What two properties must something have to be considered matter?
Mass and Volume
Describe the particle arrangement in a solid.
Tightly packed in a fixed position.
Define sublimation.
When a solid changes directly into a gas.
What is the solvent in a cup of tea?
Water
What technique uses spinning to separate by density?
Centrifugation
You want to separate coloured inks from a marker. What technique?
Chromatography
How does temperature affect particle movement?
Higher temperature increases kinetic energy, making particles move faster.
Which state has the most kinetic energy?
Gas
What change of state happens when you put water in a freezer?
Freezing or solidification.
What is a compound?
A substance made of two or more elements chemically bonded.
What separation method would you use to get iron filings from sand?
Magnetic separation.
Your saltwater pool water needs to be separated into salt and water. What technique?
Evaporation
True or False: Light is a form of matter.
False. Light has no mass and doesn't take up space.
Which state has particles that slide past each other?
Liquid
Name one change of state that releases energy.
Freezing, condensation, or deposition.
How can you tell a mixture from a pure substance?
Mixtures can be physically separated; pure substances cannot.
Describe how distillation works.
Separates substances based on boiling point using evaporation and condensation.
Your science teacher wants to extract salt and clean water from salty water. Which method?
NT: They want to collect the water also.
Distillation