Electricity
_____ are materials that electricity can move through easily.
Conductors
How do compost piles get air?
by turning the pile
What are the 3 states of matter?
Solid, Liquid, Gas
Mixing sugar with water causes a ________ reaction.
physical
Which measurable property do you use the formula length x width x height ?
volume
The scientific name for a path that electricity follows.
Circuit
What is the reason why people like wooden or plastic covered compost bins?
In which state of matter are the particles tightly bound together, vibrating?
Solid
Mixing Alkaseltzer with water causes a ______ reaction.
In order to find the mass of an object, you use a _______.
balance (gram balance)
Rubber or plastic slow the flow of electricity. They are examples of what?
insulators
The _____ is compost piles help plants grow.
A ______ takes the shape of its container.
When matter changes in size or shape, it is experiencing a ______ reaction.
physical
a magnet
A ______ circuit has only one path for the electricity to follow.
What is one reason people compost?
.......(teachers will check validity of answers)
What causes matter to melt?
heat
When light or heat is produced, matter is experiencing a ______ reaction.
chemical
What is the scientific word for float?
Buoyancy/Buoyant
A type of circuit that has more than one path to follow.
What four things do you need for a successful compost pile?
Green matter, brown matter, air, and water
What is the rule/law that states that matter cannot be created or destroyed?
*Think Alkaselzter Experiment*
Law of Conservation of Mass
Iron rusting is an example of which type of reaction?
Chemical
Which of the following properties must be the same for two tables made from the same sample of wood?
A) Hardness
B) Shape
C) Size
D) Weight
Hardness