Put the steps of the scientific method in order. Screen reader users disable audio on draggable tiles.

You notice that no grass is growing under the pine tree.

You ask “Why doesn’t grass grow under the pine tree?”

You test the effects of crushed pine needles on grass growth.

You believe a chemical in pine prevents the growth of grass.

You discover that crushed pine needles killed grass.

You have support for your idea, but want to test it further.