Describes experiments that can be performed with plants in order to learn about their properties, including whether roots grow before stems, the importance of light, and how plants drink water.
Describes experiments that can be performed with plants in order to learn about their properties, including whether roots grow before stems, the importance of light, and how plants drink water.
Describes experiments that can be performed with soil in order to learn about its properties, including its composition, whether it can act as a natural filter, and if different substances can make it more fertile.
Provides step-by-step instructions for performing experiments designed to answer such questions about the weather as what makes it rain, how do scientists measure air pressure, and how does temperature affect air movement.
