Science

Plan and conduct investigations to provide evidence that vibrating materials can make sound and that sound can make materials vibrate.
Make observations to construct an evidence-based account that objects can be seen only when illuminated.
Plan and conduct an investigation to determine the effect of placing objects made with different materials in the path of a beam of light.
Use tools and materials to design and build a device that uses light or sound to solve the problem of communicating over a distance

Observe and describe differences between living and nonliving things in terms of growth, offspring and need for energy.
Use nonstandard measures to estimate and compare the height, length, weight of different kinds of plants and animals.
Recognize varied individuals as examples of the same kind of living things.

Use observations of the sun, moon, and stars to describe patterns that can be predicted.
Make observations at different times of year to relate the amount of daylight to the time of year.