At-home STEM Activities: Why Does Fruit Turn Brown?

Have you ever brought apple slices to school for lunch? When you packed them in your lunchbox, they were white on the inside, but by lunchtime, all the slices have turned brown. It doesn’t change the taste, but it certainly doesn’t look as appetizing. So what happened? Today, let’s talk about why sliced fruit turns brown and then experiment with ways to prevent that browning!