Level 1
What are the 3 states of matter?
Solids, Liquid and Gas
Air is a ________
Gas
True or False? All liquids flow at the same speed.
False
What is the smallest unit of matter?
Atom
What is the center of an atom called?
Nucleus
A pencil is an example of a ________. (liquid, solid or gas)
Solid
When water turns from a liquid to a solid it _____. (freezes/melts)
Freezes
Which liquid flow more slowly, oil or hand sanitizer?
Sanitizer
What is the change of state from liquid to gas?
Evaporation
What is the gaseous form of water?
Vapor
Shampoo is an example of a ________. (liquid, solid or gas)
Liquid
Does a paper clip float or sink?
Sink
True or false? All solids dissolve in water.
False
What is the positively charged particle in an atom?
Proton
What happens to water when it gets hot?
It boils
What is the solid form of water?
Ice
What is another name for when heat travels from hotter to cooler places?
Thermal Energy
What happens when we mix sugar into hot water?
It dissolves
What is a substance that speeds up a chemical reaction?
Catalyst
What are Au and Ag?
Gold and silver
What is the definition of a liquid?
Something that takes the shape of its container.
Which one is the best conductor of heat?
Metal, wood, or paper?
Metal
What does the particles in a solid look like?
Packed very close together
What is Fe?
Iron
Name 2 noble gases
Helium, Neon, Argon, Krypton, Xenon, and Radon