Explore Activity Sticky Note Matter
Matter can combine in different ways. Write the numbers one through four on a separate
sticky note. Using only the four sticky notes, how many different types of matter can you
create? Record your combinations below.

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

How many chromosomes are in a gold fish?