Terms
Facts that is collected for reference to future projects
an envelope of gases that surround a planet
the first planet from the sun
What is Mercury
a compound with a pH less than 7 that forms hydrogen ions when dissolved in water
What is an acid
a specific variation of a gene
what is an allele
a push that moves an object away, or a pull that moves an object nearer
What is force
a system consisting of a large number of stars bound together by gravity
What is a galaxy
the planet, often called a dwarf planet, that is the farthest away from the sun
what is pluto
a substance with a pH higher than 7
what is a base
the most important structure inside all animal and plant cells
what is the nucleus
a state of matter that is an air like substance that expands freely to fill any available space
what is a gas
the path a celestial object takes around a star or planet
What is an orbit
The 6th planet from the sun, the planet that also has rings around it
What is saturn
the mass per unit volume of a substance
what is density
the nutritional food group that contains milk, cheese and yogurt
What is dairy
The environment where an organism lives
what is a habitat
an instrument used to view objects in outer space
what is a telescope
the red planet
what is Mars
a pure chemical substance that is made up of one type of atom
what is an element
system that contains the bones, ligaments and tendons
what is the skeletal system
one part that is changed in an investigation that could effect the outcome
what is a variable
everything that exists, including the stars, planets, matter, energy, and time
the galaxy that earth is in
What is the Milky Way
the number of elements on the periodic table of elements
what is 118
what is 46