Earth and Space Intro to Science Unit Review

The process of breaking rock down into soil is called ___.

The soil texture that allows water to drain through the soil, but does not hold nutrients well.

Which group in an experiment is used as the standard for comparison?

A layer of soil is called a ____.

The soil texture that holds water and nutrients well, but can be heavy and waterlogged when wet.

A good scientific experiment includes ____.

The plant food elements that is important in disease prevention and supports the development of the roots is ____.

The top 2 to 6 inches of soil is called ____.

The type of soil material that is made from nonliving matter is called ____.

The part of the experiment that I as the scientist intentionally changed is called ___.

The primary plant food element that stimulates the growth of leaves and gives plants a rich, green colour is ____.

Which of the following is not a primary plant food element?

To express the acidity and basicity of substances, chemists use the ____.

A fertilizer bag labeled 10-8-14 would contain 10% of the element ____.

Nitrates are formed by ____.

A sensible explanation to a scientific problem is a(n) ____.

The layer of solid rock below the soil is called ____.

The type of soil that contains a mixture of sand, silt, clay, and humus is ____.

The soil texture that can hold water well, but can be hard to drain and can only hold limited nutrients