Anything that takes up space and has weight.
What is matter?
This planet has the largest moon: Ganymede.
What is Jupiter?
The trembling or shaking of the earth's crust.
What is an earthquake?
What is three?
The bouncing of light (like a mirror).
What is reflection?
A substance composed of only one atom.
What is an element?
This is the brightest star in the night sky.
What is Sirius?
What is lava?
This is the class spiders belong to.
What is arachnids?
The bending of any wave direction at the boundary between two waves.
What is refraction?
A tiny group of two or more atoms that are bonded tightly together.
What is a molecule?
These are large clouds of gas and dust floating in space.
What are nebulae?
Rock that is formed by sand and mineral particles pressed together.
What is sedimentary rock?
The ability to grow back lost body parts.
What is regeneration?
The length of one complete wave or cycle of oscillation.
What is wavelength?
Substances composed of more than one type of atom bonded together.
What are compounds?
This is the North Star.
What is Polaris?
Rock that has been changed by heat or pressure into a new kind of rock.
What is metamorphic rock?
The process of arranging animals and other things into groups according to their similarities.
What is classification?
A single rise or depression of a wave.
What is pulse?
The amount of matter in one unit of volume.
What is density?
This was the first man to travel in space.
Who is Yuri Gagarin?
This is a volcano formed by alternating layers of tephra and lava (Mt. St. Helens).
What is composite volcano?
Animals that have jointed appendages, segmented bodies, and external skeletons.
What are crustaceans?
A back and forth motion that repeatedly follows the same pattern.
What is oscillation?