what does a lung do
what is breathe
what is matter
what is everything
what's a force
whats a structure?
what is a strong building
what is the stomach part of
what is digestive system
what's chemical change
what is permanent
name a force
what's gravity
what are the 3 types of structures
what is a solid liquid and frame
water cycle
what is precipitation,evaporation condensation and transitation
what helps breathe
what is lungs
what's a phyisal change
what is reversible
what is tension and comperession
what are the forces in a structure
a push or a pull
what gives you a sign when in danger
what is brain
what is the 3 types of matter
what is solid liquids and gas
name 2 loads
what is dynamic and static
what's compression
what squishes
4 types of organs
what is liver heart brain lungs
name 4 gases
what is smoke CO2 vapor oxygen
what is a dymnamic force
what is it doesn't change
what does earthquake zones have
what's a sturdy frame