The planet closest to the Sun.
Mercury?
Plants produce these 2 things during photosynthesis.
Oxygen and glucose (sugar)?
Magnetic
Air resistance (air drag)
Gravity
Friction
Elastic
The star closest to our planet.
Sun?
Light bouncing off an object.
Reflection?
The planets in order from the Sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
An organism that makes it's own food.
A Producer?
A push or a pull that changes the motion of an object.
Force?
The path one object takes around another object in space.
An orbit?
Light bending
Refraction?
These are found between mars and Jupiter
Asteroids?
A characteristic that helps an organism survive .
Adaptation?
A force that causes a spring scale to show weight of an object.
Gravity?
One of these takes about 365 days.
Earth's revolution around the Sun?
Materials that do not let light pass through them.
Opaque?
The four gas giants
Jupiter, Saturn, Uranus, and Neptune?
A green food-producing molecule that helps plants make their own food.
Chlorophyll?
How far an object moves in a given time.
Speed?
This takes about 27 days.
The moon's revolution around the Earth?
For a sound to happen, a medium is needed to do this.
Vibrate?
The four rocky planets
Mercury, Venus, Earth, and Mars?
A network of overlapping food chains in an ecosystem.
Food web?
A force that opposes motion and acts between 2 objects that are touching.
Friction?
the Earth does this in a 24 hour period.
Rotates on it's axis?
A form of radiant energy that can travel through space.
Light?