Q: A student poured water into a plastic tray. The student then put the tray into the freezer. What property of the water changed as the water froze?
A: The water took a definite shape.
Q: Which statement correctly describes a relationship between the distance from Earth and a characteristic of a star?
A: As the distance from Earth to the star decreases, its apparent brightness increases.
Q: Light is refracted the least when passing through a
A: a tinted window.
Q: Which of these is an element?
A:
O_{2}