Space
The planet that is closest to the sun
What is Mercury?
This is the building block of all matter.
What is the atom?
Every action has an ________ reaction
What is equal and opposite
This molecule is shaped like a double helix and exists in nearly every cell in your body.
What is DNA?
The topmost layer of the earth
What is the crust?
When the shadow of the earth falls on the moon.
What is a lunar eclipse?
When two or more atoms are bonded together.
What is a molecule (or compound... if they're different types of atoms)
This force is shown as an upwards arrow perpendicular to the surface an object is sitting on.
What is the Normal Force?
These cells carry oxygen out to the rest of the cells in your body and return carbon dioxide for you to exhale.
What are red blood cells?
In this layer of the earth, slow convection currents transfer heat from the core of the earth to the crust.
What is the Mantle?
The phase of the moon right before the full moon.
What is a waxing gibbous moon?
The Law of Conservation of Matter says that the number of atoms before a chemical reaction must be ___ the number of atoms after a chemical reaction.
What is the equal to?
A push or pull on an object.
What is a force?
This is the organization of these words from smallest to largest:
tissue, organ system, cell, organism, organ
What is
cell - tissue - organ - organ system - organism
About 300 million years ago, this was a supercontinent that included almost all the land on earth. It eventually drifted apart to form the continents we know today.
What is Pangaea?
Jupiter, Saturn, Uranus, and Neptune have this in common
What are the Gas Giants?
During this chemical reaction, you'll see a large amount of very warm bubbles appear.
What is Elephant's Toothpaste?
The type of kinetic energy that is given off by the sun in waves.
What is electromagnetic energy?
This organ system includes your heart, veins, and arteries.
What is the cardiovascular system? (You could also say circulatory)
Earthquakes are most commonly found on this type of plate tectonic boundary.
What is a Transform Boundary?
This is what is located between the orbits of Mars and Jupiter.
What is the asteroid belt?
Exothermic reactions are the type of chemical reactions that do this.
What is release heat?
Sound waves are these types of waves with compressions and rarefactions.
What are longitudinal waves?
When certain offspring have traits that are better suited to their environment and they are more likely to reproduce and pass down their genes, it is called this.
What is Natural Selection?
The outer and inner core of the earth are made primarily of these two metals.
What are Iron and Nickel