What is matter?
Matter is everything around us that takes up space.
What are the three states of matter?
They are solid, liquid, and gas.
When matter is cooled or heated what happens?
A change in state.
What are the general properties of matter?
They are mass and volume.
Name three liquids.
Water, oil, juice.
What is a substance?
Each different type of matter is called a substance.
Which state of matter has both a fixed shape and a fixed volume?
Solids
What happens when a sold is heated and changes into a liquid?
Melting
What are four specific properties of matter?
They are; density, color, luster, hardness, transparency, opaque, translucent, flexibility, fragility, elasticity, conductor, waterproof...
Name three solids.
Wood, ice, and rock.
What is mass?
Mass is the amount of matter in an object.
True or False: Gases have a fixed shape and a fixed volume.
False, gases don't have a fixed shape or a fixed volume.
When a gas cools and changes into a liquid it's called...
How do we measure volume?
Cubic meters or cubic centimeters
When the density of an object is higher than the density of water.
In kilograms or grams.
Which state of matter has a fixed volume, but their shape can change?
Liquids have a fixed volume but their shape can change.
What are the four changes of the state of matter?
Melting, evaporation, solidification, and condensation.
How is density calculated?
True or False: All objects of the same size have the same density.
False, objects of the same size can have very different densities.
When an object is floating we know its density is...
lower than the density of water.
What state of matter are water vapor, oxygen, and carbon dioxide?
They are gases.
How does solidification occur?
A liquid is cooled and changes into a solid.
What is measured using measuring cylinders?
Volume is usually measured using measuring cylinders.
What refers to the concentration of matter in a particular volume?
Density