chemistry
what are the 3 states of matter
solid, liquid and gas
when your alive is your brain heard or soft
soft
The most recognized model of how the universe begun is known as the?
Big Bang
how many days does it take the earth to complete a full rotation around the sun
365 days
true of false;
more than 80% of the ocean has not been mapped
True
what 3 things are needed for fire to burn
a] lighter wood and paper
b] oxygen fule and heat
c] heat gas and paper
d] water ice and oxygen
b] oxygen fule and heat
what does your rib cage protect
lungs and heart
what is the earths primary horse of energy
Colethe sun
the moon
wind
The sun
what galaxy do we live in
what percent of the earth is water
46%
71%
84%
65%
71%
what is h20
water
how many hours does it take for food to digest
a] 1 to 3
b] 6 to 8
c] 10 to 12
d] 4 to 7
b] 6 to 8
electricity is usually measured in what
a] amps
b] grams
c] watts
d] volts
c] watts
what planet in our solar system has the most moons
a] mars
b] neptune
c] Jupiter
d] saturn
d] saturn
true or false
we have no idea what a shark skeleton looks like
true
what is the name of the object used to mix substances for reactions and experiments
a] seeker
b] bowl
c] dish
d] test tube
a beaker
what makes plants green
a] oxygen
b] Chlorophyll
c] toothpaste
d] the sun
Chlorophyll
wood does what when it is hot and humid
expand
what is the name of the planet that used to be in our solar system
pluto
how many oceans are there
a] 3
b] 7
c] 5
d] 9
5
what substance can be all 3 states of matter
a] water
b] orange juice
c] vinager
d] hydrogen peroxide
a] water
what is the power house of the cell
nucleus
Infrared light has a wavelength that is too long or short to be visible for humans?
toooooooo long
what galaxy is earth in
the milky way galaxy