Show:
matter
electricity 1
microorganisms 1
electricity 2
microorganisms 2
100
What causes a substance to become more dense?
When it is cooled.
100
What do power plants use to create a flow of electrons?
Generators
100
What is an edible fungus containing spores?
A mushroom.
100
What is the item you use to turn on or off a current flowing through an object called?
A switch.
100
What is the part of an experiment that changes?
The variable.
200
Which phase of matter has the fastest moving molecules?
gases
200
What is the tiny particles that matter is made up of called?
Atoms
200
When you experiment with microorganisms what is the part of the experiment that is unchanged?
The control part.
200
What is it called when something allows electricity to flow through it, but it doesn't flow easily?
A resistor.
200
What are Bacillus?
A straight, rod shaped bacterium.
300
When a substance is cooled it becomes: a. more dense b. less dense
More dense.
300
What are the tiny paticles that have a possitive charge called?
Protons
300
What is found in many showers?
Mildew
300
What is another name for a dry cell?
A battery.
300
What are the protist called that live in water and produce their own food?
Algae
400
True or false; Only some things are made from mass.
false; all things are made from mass.
400
What are the tiny paticles that have a negative charge called?
Electrons.
400
What is another name for Pseudopod?
A False foot.
400
What is the path that electricity can move through called?
A circuit.
400
What is a parameciam's body composed of?
One cell and it's parts.
500
True or false; liquids take the shape of their container.
True
500
What will happen to the charge of a neutral balloon when it is rubbed with cloth?
It will become a negative charge.
500
What is another name for Flagellum?
A whip.
500
What is it called when you have a circuit with no gaps or breaks in it?
A closed circuit.
500
What is a common ingredient in bread that is a mircoorganism?
Yeast