The four rocky planets
What are Mercury, Venus, Earth, and Mars
___ is a subtenants that can flow freely
What is a liquid
A system that helps plants make their own food
What is photosynthesis
The measure of distance an object moves in a given time
What is speed
Materials that do not let light pass through them
What is opaque
The four gas giants
What are Jupiter, Saturn, Uranus, and Neptune
the way a object is moving
what is direction
Plants produce these 2 things during photosynthesis
What are oxygen and glucose (sugar)
A force that opposes motion and acts between 2 objects that are touching
What is friction
For a sound to happen, a medium is needed to do this
What is vibrate
The planet closest to the Sun
What is Mercury
___ can control how heavy an object is
What is mass
A network of overlapping food chains in an ecosystem
What is a food web
A force that causes a spring scale to show weight of an object
What is gravity
Light bending
What is refraction
___ has such a hard pull of gravity it can rip apart small moons
What is Saturn
___ spreads light
What is concave
One is benefited and one doesn't care
What is Comensilisom
A push or a pull that changes the motion of an object
What is a force
Light bouncing off an object.
What is reflection
These are found between mars and Jupiter
What are asteroids
a thing an object does to another object
What is Ordit
A characteristic that helps an organism survive
What is an adaptation
Force that causes a change in motion
What is an unbalanced force
A form of radiant energy that can travel through space
What is light