Planets stay in their orbit around the Sun due to this universal force of attraction
Gravity
Large fingers and attached earlobes are examples of these kinds of traits
Inherited Traits
Many species of salmon swim north in a large group to lay their eggs during a process called
Migration
This the word to given to the Earth spinning around on its axis
Rotation
This powerful force can erode mountains to create large canyons
Water
Riding a bike requires this type of energy
mechanical energy
The part of the butterfly life cycle in which the caterpillar appears is called this stage
Larva
Temperatures in the atmosphere cool down water vapor, turning back into liquid during this process
Condensation
People who live along this imaginary line have equal hours of day and night all year long
The Equator
This type of erosion most frequently happens in the desert to create unique rock features.
Wind Erosion
This type of matter can change its shape but always stays the same amount of volume
Liquid
Stripes
During photosynthesis, plants make this type of food for themselves to survive, along with oxygen for us to breathe
Sugar
This season provides this least amount of daylight for the Northern Hemisphere
Winter
The Earth is made up of this many layers
3
This type of simple machine helps a construction crane lift massive objects
Pulley
Rosebushes have adapted this type of self defense to keep away predators
Thorns
These living things provide nutrients in the soil for plants and trees to use to grow
Decomposers
The 4 seasons that we experience happens because the Earth revolves in this way.
Tilted
The grinding back and forth of tectonic plates causes these natural disasters to occur
Earthquakes
The reason that a skateboard eventually stops on the pavement is due to this force
Friction
Exercise is necessary to help keep this major organ of the body functioning correctly
Heart
Propeller shaped seeds (such as the maple) are dispersed to other areas by this
Wind
The moon takes approximately this long to make one revolution around the Earth.
1 month
One positive effect of a volcanic eruption
New land created / Enriching the soil