Can a physical change, change what a substance is? Explain your answer by giving an example.

Matter is made up of very small particles

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

The Earth rotates toward the east. True False

What causes a meteor shower?

which of the following objects is considered negatively charged A - one with excess electrons on the surface B - one with excess neutrons on the inside C - one with excess protons on the inside D - one with excess protons on the surface

A rock is dropped at the same instant that a ball at the same height is thrown horizontally. which will will have the greater speed when it reaches the ground? ball rock both will reach at the same time impossible to answer

A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min

What is the disadvantage of the parallax method, especially for studying distant parts of the Galaxy?

Which describes why the sun is a renewable resource? The sun creates biomass. The sun is continuously releasing energy. The sun does not cause pollution.

Which statement best describes how waves carry energy? A. Energy moves from one place to another through the wave. B. Energy increases as it moves through the wave. C. Energy is completely consumed by the beginning of the wave. D.