Vocabulary
What is the term for anything that has mass and takes up space?
matter
Name two physical properties of matter that you can observe?
color, hardness, texture, shape, size, etc.
What is the name of the tool used to measure mass?
pan balance
What is the term for when matter changes from one state to another, such as a solid to a liquid?
change of state
How do particles act when they are a solid?
Particles are packed tightly together and cannot move.
What is the term for how much space an object takes up?
volume
What shape are liquids?
liquids take the shape of their container
Less massive items are measured in grams. What are more massive objects measured in?
kilograms
Which change of state occurs when a solid changes to a liquid?
melting
If a toy train has a mass of 65 grams, what will the mass be if the train was taken apart and its pieces were measured separately?
65 grams
What is the term for a characteristic of matter that you can observe or measure directly?
physical property
Name a physical property that can be measured using tools.
mass, volume, or density
Name one tool you can use when finding the volume of an object.
ruler, graduated cyclinder
Which state of matter is defined as having a definite volume but no definite shape?
liquid
What is the definition of a gas?
A gas does not have definite volume or shape.
What is the term for a liquid changing into a solid?
freezing
When will an object sink?
An object will sink when it is more dense than water.
What is the name of the tool used when finding the volume of an object with an irregular shape, such as an orange?
graduated cyclinder
What do you call a gas changing into a liquid?
condensation
Find the volume of a pencil case that is 7 inches long, 4 inches wide and 2 inches tall.
56 cubic inches
What is the name of the law that states that the mass of a whole object will have the same mass when split into pieces, measured separately, then added together?
the law of conservation of mass
How do you find the volume of a rounded object, such as a marble.
Fill a graduated cylinder with water, drop the marble in, see how high the water rises, then subtract to find the difference.
How do you find the volume of a solid, such as a table or wooden block?
multiply length, width and height
When evaporation occurs, energy is _________?
added
Describe what happens during condensation.
Energy is removed and gas changes into a liquid.