List three machines or devices that depend on gravity to work.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

true or false: an oxygen atom can absorb any frequency of light to cause it's electrons to increase in energy

Which of the following tasks might be better completed by a person rather than a computer? appreciating a sunset view analyzing biochemical test data analyzing financial data calculating sports statistics

The nebular theory also predicts that the cloud should heat up as it collapses. what physical law explains why it heats up?

The hard external covering of some invertebrates is called a what

What are 3 characteristics of a tornado?

Which list shows the element symbols of the 6 biological elements?

A space probe produces a radio signal pulse. If the pulse reaches Earth 12.3 seconds after it is emitted by the probe, what is the distance from the probe to Earth?

Do substances that heat up quickly have high or low specific heat capacity?

A substance has a specific heat of 0.870 J/g°C. It requires 2,000.0 joules to increase the temperature of 10.0 grams of the substance from its original temperature to its final temperature. By how many degrees did the substance increase? A 87.