If you look at the reflection of your face on the back of a spoon, your face will be right-side up. If you flip the spoon to the other side, though, the reflection of your face will be upside down! Why do you think your reflection is different when you look at either side of the spoon?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility

Why do electrons further from the nucleus have more energy