Why is streak generally a more useful property than color in identifying a mineral?

Explain the Law of Conservation of Mass in your own words.

1. The dust and gases in outer space are called A. plutoids. B. interstellar medium. C. space debris. D. There is no special name for them.

List two characteristics used to classify air masses.

What is the momentum of a ten ton truck which is sitting still?

Consider a toy rocket that undergoes one dimensional motion. It is launched from rest straight up from the ground and rises under constant acceleration for Δt1 seconds, where it loses power. It hits the earth Δt2 seconds later.

What do radio waves and microwaves have in common? A. Both have shorter wavelengths than visible light. B. Both are located to the right of visible lights on the spectrum. C. Both have higher frequencies than visible light. D.

How long can you keep string cheese in the fridge?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?