What is the name for the invisible line that runs around the Earth's middle, dividing it into Northern and Southern hemispheres?
Equator
What are the sound waves, these types of waves do not require a medium (like air or water) to travel through?
Electromagnetic Waves
What organisms must eat other plants or animals to get their energy?
Consumers
What are the living parts of an ecosystem, such as plants and animals?
Biotic factors
What force pulls any two objects together, like Earth pulling down a person?
Gravity
What event occurs when the moon passes directly between the sun and Earth, blocking out the sun's light?
Solar eclipse.
What is the name for energy that is "stored" and not yet in motion?
Potential Energy
What organelle, often called the "brain" of the cell, contains the cell's genetic material?
Nucleus
What type of organism that makes its own food through photosynthesis?
Producer
What four outer planets are called "gas giants" due to their composition?
Jovian Planets
How long does it takes the moon about this long to complete one full revolution around the Earth?
One month
When a wave hits a smooth surface and bounces back, this phenomenon is called.
Reflection
What in a food web, arrows always point in the direction of this?
Flow of Energy.
What in a food web, arrows always point in the direction of this?
Energy flow
What kind object was reclassified from the largest asteroid to a dwarf planet in 2006?
Ceres
What is the primary force that keeps planets in orbit around the Sun.
Gravity
What kind of sound waves travel faster when this characteristic of the medium increases?
Temperature
What specific plant cell part allows the plant to capture solar energy for photosynthesis?
Chloroplast
What if a primary consumer's food source disappears, its population will do this?
Decrease
What law states that for every action, there is an equal and opposite reaction?
Newton’s 3rd Law
What are the names given to the four outer "gas giant" planets: Jupiter, Saturn, Uranus, and Neptune?
Jovian Planets
What kind of term describes the distance from one peak of a wave to the very next peak
Wavelength
What healthy ecosystem is one where these two types of factors (living and non-living) are in balance?
Biotic and Abiotic
What type of non-native species can disrupt the balance of a Louisiana marsh?
Invasive Species
What if an asteroid passes close to Earth, this pull may change its orbital motion?
Gravitational Force