Words to Know

• Altitude - the height of an object or a point in relation to sea-level.
• Acclimate - become used to a new climate.
• Circumference - is the distance around the edge of a circle.
• Diameter - a straight line going through the center of a circle connecting two points at the circumference.
• Perspiration - the process of sweating.
• Trajectory - the path of an object (moving or flying) under the action of another force.
• Vicinity - the area near or surrounding a particular place.