What state of matter would spread apart and fill all the space available to them

Dalton's Atomic Theory states 1. that all elements have several isotopes. 2. that matter is composed of small indestructible particles. 3. that energy is neither created nor destroyed during a chemical reaction. 4.

When mars is on the opposite side of the sun from earth, it is about 4.0*108km away. how long does it take a radio signal traveling at the speed of light, c=3.

Which is the best example of the law of conservation of energy? A) A basketball stops bouncing because its energy disappears. B) A rolling skateboard slows down because some of its kinetic energy changes to heat.

Rahul sits in a chair reading a book. Which force is equal to the force Rahul exerts on Earth? Rahul's weight the chair's weight the sum of the weights of Rahul and the book the sum of the weights of the chair, Rahul, and the book

A force that acts on rock to change its shape or volume is called a. an aftershock. b. friction. c. liquefaction. d. stress.

Ian is looking at cells using a microscope. He sees a nucleus and a large vacuole in the central area of a cell. What type of cell is he most likely looking at? A. animal cell B. prokaryotic cell C. white blood cell D. plant cell

A spindle connects two wheels with fixed axles by a fan belt. If the effort wheel is larger than the resistance wheel, which axle will turn faster? A. the effort axle B. the resistance axle C. Both axles turn at the same rate. D.

Why heaters are made of thick wires

When light waves hit ice, most of them bounce off and radiate back into space. Because of this, it can be said that ice is a (n) surface

Diana would like to observe the movements of a paramecium. Which of the following tools would be best for Diana to use? A. hand lens B. light microscope C. scanning electron microscope D. convex telescope