Physics
A seesaw is this type of simple machine
What is a lever?
An organization system for the different elements
What is the periodic table?
This is the name for when Earth is spinning on its axis
What is rotation?
Type of rock made of lava or magma that has cooled and hardened
What is an igneous rock?
This process involves an organism changing its form. A butterfly goes through this.
What is metamorphosis?
Mass divided by volume
What is density?
This phase of matter has definite mass, but no definite shape.
What is a liquid?
This object takes about 29 days to revolve.
What is the moon?
Atmospheric conditions for a short period of time
What is weather?
These types of energy sources cause pollution and are non-renewable.
What are fossil fuels?
This property allows electricity to flow through water
What is conductivity?
This form of energy is almost always produced during energy transformations
What is heat?
This is when Earth's shadow falls on the moon.
What is a lunar eclipse?
You might find fossils in this type of rock
What is a sedimentary rock?
A classification system, typically using yes/no paired statements
What is a dichotomous (or taxonomic) key?
Every action has an equal and opposite reaction
What is Newton's Third Law?
This can never be created or destroyed
What is matter?
or
What is energy?
This date is when all parts of earth receive 12 hours of daylight and 12 hours of night
What is an equinox?
This theory helps explain the existence of the "Pacific ring of fire"
What is plate tectonics?
Cell organelle that allows a plant to perform photosynthesis
What is a chloroplast?
An object using multiple simple machines
What is a complex machine?
Helium, Neon, Argon, all found in group 18
What is a noble gas?
On this date, the Southern Hemisphere gets its greatest amount of sunlight.
What is December 21st?
This describes how old an object is when compared to another object
What relative age?
A group of organs working together to perform a certain function.
What is a system?