Variables
What is a independet variable?
An independent variable is a variable that represents a quantity that is changed in an experiment.
What are the main states of matter?
What charge does a proton have?
They have positive charge
What is a compound?
A compound is a substance made up of atoms of two or more elements.
What is the coldest place on earth?
The antartida
What is a dependent variable?
A dependent variable represents a quantity whose value depends on how the independent variable is changed.
What is the change from gas to liquid called?
Condensation
What charge does a electron have?
They have negative charge
What is the water compound made of?
It is made up of two hydrogen atoms and one oxygen atom.
What is the name of the fastest animal in the world?
The fastest animal on the planet is the cheetah.
What is a control variable?
A control variable is a variable that is kept constant or under control during the execution of an experiment, so that it does not affect the results.
The particles change when they change state?
NO
What charge does a neutron have?
None, it add mass
The properties of a compound change according to its element?
Yes, the properties of a compound are different to the properties of the elements it its made up of
What does FIFA mean?
Federación Internacional de Fútbol Asociación
You buy boxes of cookies at a bakery. Each box of cookies costs $4 dollars. What is the dependent and independent variable?
The independent variable is the number of boxes of cookies you buy.
The dependent variable is the amount of money you spend on cookies.
How many changes of matter are there and what are they called?
There are 6: vaporization, melting, solidification, sublimation, reverse sublimation, condensation
What are the particles that make up an atom?
They're protons, neutrons and electrons
Salt is a compound?
Yes it is, its made of chloride and sodium
What is the only mammal capable of flight?
The bat
Give an example of a control variable
Pressure or temperature
What is the change from gas to solid called?
Sublimation
What is the center of an atom made of?
It is made of protons and neutros
Elements are compounds? Why?
No, an element is a material made up of a single type of atom, a compound is a substance made up of two or more elements
Who wrote "Hamlet"?
Hamlet was a play written by William Shakespeare