Students become familiar with the variables that control Earth's solar energy supply. They explore the source and nature of solar energy, the genesis of radiation, and the structrue of the Sun, gas spectra are observed and sample...

Learners investigate refraction and reflection of light. In this light lesson, students perform 3 activities to observe light interacting with matter by using a flashlight. They explore refraction using a glass of water and reflection...

[Free Registration/Login may be required to access all resource tools.] Find angle measures using a protractor and the Angle Addition Postulate.

Half-length practice test for the eighth grade OAT (Ohio Achievement Test). The test includes 15 multiple-choice and 4 open-response questions dealing with topics such as geometry (comparing volumes, angle measures), data analysis...

[Free Registration/Login may be required to access all resource tools.] Finding and understanding the angle measures of triangles.

Half-length practice test for the third grade OAT (Ohio Achievement Test). The test includes 15 multiple-choice and 5 open-response question dealing with topics such as measurement (time, angles, ruler), data analysis (bar graphs,...

[Free Registration/Login may be required to access all resource tools.] Classify triangles by side lengths and angle measures.

[Free Registration/Login may be required to access all resource tools.] Classifying triangles by using angle measures and side lengths.