Who created a steel plow

In which of the following materials is the velocity of light greatest? A. Air B. Water C. Crown glass D. Fused quartz

An object rolls East at a steady speed of 12 m/s for 3 seconds. What distance did the object travel

What type of weather is usually associated with a cold front? A. Clear skies B. Thunderstorms C. High humidity D. Sudden rise in temperature

One of the laws of conservation states that the total charge of the reactants and products must be equal. This is the law of conservation of: A. energy. B. matter. C. energy and matter. D. charge.

Daca stam intr-o barca usoara si tragem de o sfoara legata de un vapor, ne vom apropia de un vapor. De ce nu se apropie vaporul de banca?

We can see because light is A) absorbed. B) diffracted. C) reflected. D) refracted.

Nami conducts an investigation on plants. She places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth.

Hi guys. Im doing a project at school where we have to create a mouse trap powered car. I wanted to know what materials are a must have to make the car move more than 5 meters?

Diego is playing basketball. while running at 7 km/h toward a basketball hoop, he throws the ball at the net. the ball travels at 20 km/h. what is the speed of the ball relative to the net?

How does carbon dioxide affect the atmosphere