when objects like the horseshoe are lefty outside over time the iron in them will react with oxygen to produce rust. is this a chemical property of iron.

Which of the following does not provide evidence that continents move? A. Formation of volcanoes B. Similar fossils found on different continents C. Nearly identical mountain ranges on two continents

Why do different elements emit different colors of light

A joule is equivalent to N/s N/m Ndm Nds

Which of the following is not one of the steps in the scientific method? A. Hypothesize B. summarize - C. Familiarize D. Analyze

Heat transfer from a hot surface to a cool surface in direct contact is called

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light

Any object with mass exerts a force on any other object with mass. This force is called?

Is a light bulb considered construction