Minerals and Types of Rocks Vocabulary Crossword and Worksheet

 

 Looking for an easy way to review minerals and the three types of rocks? 

This vocabulary activity packet gives students a fun and engaging way to practice important Earth science vocabulary. Perfect for middle school science, review, homework, or sub plans, with activities designed to help students learn and remember key terms.

Minerals and Types of Rocks Activity Packet

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Circle Vocabulary-Beginning Geometry

Geometry can be a fun Math subject if you can understand the basic vocabulary. 
In the video above I illustrate several key vocabulary words that will help with your understanding of circles.

• Center The point of a circle in which all points of the circle are the same distance away.
• Radius The length from the middle of the circle to any point on the circle
• Diameter The Distance across the circle
• Circumference The Length around the circle
• Area The amount of space in the circle
• Tangent A line that intersects the circle at one particular point
• Secant A line that intersects a circle at two points
• Arc The length around a portion of the circumference
• Minor arc an arc with a measure less than 180 degrees
• Key arc an arc with a distance higher than 180 degrees
• Semi-circle an arc measuring exactly 180 degrees
• Central Angle angle with a vertex in the middle of the circle and the endpoints lie on the circle
• The central angle equals the arc measure
• Inscribed angle an angle in which the vertex lies on the circle and the end point is on the circle
• Inscribed angle equals half the intercepted arc

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