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Physical Science - A - Assessment Crossword

Across
Ice is different than all other solids. It floats on liquid water. This means that ice is _______ dense than liquid water.
The negatively charged one in an atom.
The transfer of heat through the movement of a fluid, such as water.
Hydrogen sulfide (H2S) is really stinky and smells like rotten eggs. Elemental sulfur on the other hand, S8, is not smelly. True or False?
The name for a column of elements in the periodic table.
Sometimes, steam comes right off snow.
Carbon-14 has 6 protons. Carbon-12 also has 6 protons. They have different numbers of neutrons. What are they?
SI unit for length
Which has more kinetic energy, a parked car or a moving skateboard?
This changes when you go to another planet.
Add some sugar to your tea. The tea is the solvent, but what is the sugar?
The total energy of two galaxies before colliding is the same as the total energy of the two after they collide. This is an example of the law of ___________ of energy.
The melting of gold is a ____________ change.
A bowl of matza-ball soup.
Oxygen (O2) is what we need to survive. But O2 can be converted to ozone (O3) when there's an electric spark. Physical or chemical change?
Down
Fixed shape and volume
A compound that you might find in a shaker on the dinner table.
Metals are good ____________.
The number of __________ defines an element.
There are 100 of these in a meter.
A non-metal that starts with the letter p.
Nail polish remover is usually a solvent called acetone. Smear some on your skin and you will feel a sensation of cold. The process of evaporation is endothermic or exothermic?
When you light a candle, you can feel some heat. What kind of energy is being converted to heat? (two words)
Of the three phases of water, given 1 gram of each, which one occupies the largest volume?
The SI unit for energy.
Melting is the opposite of freezing. Vaporization is the opposite of what?
SI unit for mass
Shape can change, volume is fixed, can flow
How many atoms in a molecule of water?
The state of matter where the particles move most quickly and are pretty far apart.