Geology
This rock forms when melted rock cools and hardens after a volcano erupts.
Igneous rock
This powerful storm forms over warm ocean water and has a calm center called an “eye.”
Hurricane!
This planet is known for its large red spot, which is actually a giant storm.
Jupiter!
This element, with the chemical symbol O, is the gas humans need to breathe.
Oxygen!
This force pulls objects toward Earth and keeps us from floating into space.
Gravity
The outer layer of the Earth that we walk on is called this.
Crust!
This tool is used to measure the strength of an earthquake.
Seismograph!
This is the name of the first person to walk on the Moon in 1969.
Neil Armstrong
Water turns into this state of matter when it freezes
This type of energy comes from moving objects.
Kinetic energy
These are the preserved remains or traces of ancient plants and animals found in rocks.
Fossils!
This natural disaster is a rapidly spinning column of air that touches the ground.
Tornado!
This star is at the center of our solar system and gives Earth light and heat.
Sun!
This scientist created the first widely accepted periodic table of elements.
Dmitri Mendeleev
A playground seesaw is an example of this simple machine.
A lever!
This happens when large pieces of the Earth’s crust suddenly move, causing shaking of the ground.
Hot melted rock that erupts from a volcano onto Earth’s surface is called this.
Lava
This U.S. organization sends astronauts and spacecraft into space.
NASA!
When vinegar and baking soda mix together, they create this gas.
Carbon Dioxide
This scientist explained the law of gravity after supposedly watching an apple fall from a tree.
Isaac Newton
Wind, water, and ice slowly break down rocks in a process called this.
Weathering
These giant ocean waves are often caused by underwater earthquakes.
Tsunamis!
This planet is famous for its bright rings made of ice and rock.
Saturn!
The center of an atom, containing protons and neutrons, is called this.
Nucleus!
What travels faster sound or light?
Light!