Water
Is saltwater safe to drink?
no
How many planets are in the solar system?
8
What are the three main types of matter?
liquid, solid, and gas
What does a herbivore eat?
plants
True or False: Sound is produced through vibrations.
True
What kind of water covers most of the Earth?
salt water
What is pluto?
A dwarf planet
What is an example of plasma?
northern lights, lightning, a neon sign
What is the source of energy in an ecosystem?
the sun
Can nocturnal animals see in the dark? Yes or No?
Yes
What is a type of freshwater?
rivers, lakes and aquifers
How many days does it take for the Earth to revolve around the sun?
365
What is an example of a solid?
pencil, rock, paper
True or False: Ecosystems have both living and nonliving things.
True
What helps our bones move?
joints and tendons
________ is the part of the water cycle that occurs, when water falls from the clouds in the form of snow, hail or rain.
precipitation
How many phases does the moon have?
8
Something that can change size, shape or state of matter.
What do pond animals and decomposers release?
What is the lens in your eye called?
cornea
How much freshwater does an average size family use daily?
More than 60 gallons
What invention changed the way we see planets?
the telescope
True or False: A mixture cannot be easily separated.
False
What provides nutrients in a pond's ecosystem?
decomposers
What are the two types of energy?
potential and kinetic