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100
The smallest particle of an element
What is an atom
100
I am found inside the nucleus of an atom and I have a positive charge
What is a proton
100
I am found inside the nucleus of an atom. I have no electrical charge.
What is a neutron
100
Elements combine to form a _________
What is compound
100
I am part of an atom. I have a negative charge.
What is electron
200
A ____________ is special kind of mixture. The materials are spread evenly and will not settle.
What is a solution
200
My materials are not spread evenly. The different materials are placed together, but do not bond together to form compounds
What is a mixture
200
Most elements are metals. Which of the following is a physical property of metals? shiny, bendable, conducts heat, all of them.
What is all of them
200
An object takes up more space than another object has a greater
What is volume
200
How many different elements are in a molecule of CO2
What is 2
300
Particles in salts arrange themselves in a regular geometric pattern to form
What is crystals
300
Compare the density of gold in a necklace and a ring. Same density, necklace will have more, or the ring will have more density
What is same density
300
what causes the phase change of water when it goes from liquid to gas
What is heating
300
What cause dew to form on grass
What is when water vapor is cooled
300
Materials in simple mixtures: Can be separated easily cannot be separated can be separated only by using a filter can be separated only by using heat
What is can be separated easily
400
In a solution, the substance that dissolves is called the _____
What is solute
400
True or false. Atoms can viewed with a microscope.
What is False
400
In gases, the atoms or molecules are far apart. True or False
What is True
400
____________make up matter
What is elements
400
True or False. Density is is an example of chemical property.
What is False
500
Which of the following is an element salt, rust, water, oxygen
What is Oxygen
500
If an object takes up more space than another object, what does it have
What is greater mass
500
An object is _________if it floats. This is an important property in boats and balloons.
What is buoyant
500
What is the formula you would use to find the density of an object. Ex. an object has a mass of 82 grams and a volume of 50 millimeters
What is D=m/v
500
What best describes the salt in a solution. mixture, element, solvent, solute
What is solute
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