Chemistry
Lithium’s atomic number is 3 how many protons does it have?
3
True or false hawks are omnivores
False
The third planet from the sun
Earth
Lithium, Calcium, and Francium are all part of what element family?
Alkali metals
Most plants are in which trophic level?
0
Big planets far away from the sun
Gas Giants
What is the last orbit in an atom called?
Valence shell
What is an invasive specie?
Species that are introduced and harm their new enviornment
What are celestial objects?
Things in space
Red and blue paint mix to make purple paint is this a physical or chemical change?
Phisical
What is Equilibrium?
An ecosystem in balance
Th lighter shadow in an eclipse
Penumbra
What is malleability?
How well you can shape something
What is the biogeochemical cycle?
Cycle of matter
Two measurments to describe celestial objects
Azimuth and Altitude