7th Grade Electromagnetic Waves Passages

Investigate and compare mechanical and electromagnetic waves by examining their distinctive properties and behaviors. Understand the principles of wave reflection and apply this knowledge to practical scenarios, such as analyzing seismic activities and radio transmissions.

Explore the properties of visible light, focusing on its interactions with various materials through absorption, reflection, and transmission. Develop an understanding of how light influences color perception and the principles behind color mixing. Enhance knowledge of electromagnetic spectrum components and the behavior of light.

Explore sound waves with a focus on amplitude and frequency, examining their impact on sound perception. Gain the ability to differentiate between sound properties and understand their influence on wave behavior and sound transmission.

Examine the dynamic process of convection currents within Earth's mantle by focusing on temperature and density variations that drive these movements. Understand the mechanisms influencing tectonic plate motion and their significance in shaping Earth's topography and causing geological events.