Its Elemental
Mix it up
Breaking apart
It's basically acidic
It floats!
100
All matter is one of these.
What is substance or mixture?
100
This can be separated physically
What is a mixture?
100
A solvent does this to a solute (like sugar or salt)
What is dissolve?
100
This turns litmus paper red
What is acid?
100
Density is calculated by dividing these 2 things
What are mass and volume?
200
This cannot be broken down into simpler parts
What is an element?
200
A river washing away soil is a __________ change
What is physical?
200
Water is such a good solvent because of what?
What is it's molecular structure (shape of molecule)?
200
Litmus paper is used to find out if a substance is an _________ or _________
What is acid, base?
200
An object has a density of 1.25 g mL. Will it sink or float?
What is sink?
300
Elements are made of these three particles
What are electrons, protons, and neutrons?
300
Acid rain producing holes in limestone rock is this type of change
What is chemical change?
300
We use this graph to know how much of a solid will dissolve in a certain amount water
What is a solubility graph?
300
The pH scale goes from 0 to 14. These are the substances that have a pH lower than 7.
What are acids?
300
Give an example of a convection current
Any example of air or fluid moving
400
This particle carries a neutral charge (zero)
What is a neutron?
400
A burning match is a ___________ reaction
What is chemical?
400
Water has a positive and negative side which makes it a _________ molecule
What is polar?
400
Acids and bases are corrosive which means they will cause ___________ on skin.
What are burns?
400
Why is the back of a penguin black?
What is to absorb radiant energy from the sun?
500
Electrons move in paths called this
What are energy levels or orbitals?
500
Iron rusting after being exposed to water is this.
What is chemical change?
500
Polar molecules dissolve ________ molecules and ___________ molecules dissolve ____________ molecules
What is polar, non-polar?
500
Pure water has this pH
What is 7?
500
What to pieces of equipment do you need to measure the density of a small rock?
What is balance(mass) and graduated cylinder(volume)?
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