Astronomy
the arrangement of the solar system in which the sun sits at the center
What is heliocentrism?
a force that resists the motion of one object against another
What is friction?
tastes sour and makes things disappear
What is an acid?
a blood vessel that carries blood away from the heart
What is an artery?
the force per unit area with which air pushes on a surface
What is air pressure?
the arrangement of the solar system in which the earth sits at the center
What is geocentricism?
a flat surface that is tilted to form a ramp
What is an inclined plane?
to bring something towards neutral pH
What is neutralize?
the eye tissue that detects light
What is retina?
an oval shape defined as the collection of points in which the sum of the distances from two other fixed points is the same
What is ellipse?
a star that explodes
What is a supernova?
a weight hung from a fixed point so it can swing back and forth
What is a pendulum?
a heavy colorless gas that is formed especially in animal respiration, is absorbed from the air by plants in photosynthesis, and can be produced in chemical reactions
What is carbon dioxide?
cartilage found on parts of the body that need to be really flexible
What is elastic cartilage?
the difference between a measured value and and true value
What is experimental error?
the motion of a planet when it reverses the direction it travels in the night sky
What is retrograde motion?
an object that is given an initial velocity but then travels through the air without anything powering its motion
What is a projectile?
a pure substance that is made from a single type of atom
What is an element?
the system that is involved in getting blood from the heart to the lungs and back again
What is pulmonary circulation?
a form of carbon used in the writing part of a pencil
What is graphite?
the effect in which an object's position appears different because of the position from which it is viewed
What is parallax?
the type of curved path that a projectile follows
What is parabolic?
describes a substance or mixture whose composition is different depending on location
What is heterogeneous?
liquid slurry created in the stomach by mixing the bolus with digestive juice
What is chyme?
the airway that leads from the larynx (voice box) to the bronchi (large airways that lead to the lungs); also called the windpipe
What is trachea?