2 benefits of using models in science

Which temperature scale would read the lowest number for a mixture of water and ice? A. Kelvin B. Celsius C. Fahrenheit

With what speed must m1 rotate in a circle of radius r if m2 is to remain hanging at rest?

Which statements about radiocarbon dating are true?

A microwave oven operates with sinusoidal microwaves at a frequency of 2400 mhz. the height of the oven cavity is 25 cm and the base measures 30 cm by 30 cm.

How much gold (Au) is extracted per ton of rock ore

R was thirsty and decided to mix up a pitcher of lemonade. She put lemon juice, water, and sugar into a pitcher and stirred it to create this wonderful new drink. How could Taylor decide if she just created a mixture or a compound?

Because the __ signal changes smoothly, like a sine wave, it can closely mimic a human voice. However, part of the signal can easily get lost to __.

What four things does the resistance of a wire depend on?

What is the smallest particle representing hydrogen peroxide? a) a hydrogen atom b) a molecule c) an oxygen atom d) diatomic oxygen

The sun radiates energy. Does the earth similarly radiate energy? If so, why can't we see the radiant energy from the earth? 1.