Question | Answer |
How is the periodic table arranged? | By atomic numbers. |
What stage is the sun at? | Main sequence. |
Where are protons and nuetrons located at in the atom? | In the middle of the nucleus. |
Where are electrons located at? | They surround the nucleus. |
What is a bohr model? | It represents an atom. |
Is burning a peice of paper physical or a chemical change | Chemical change. |
Is melting ice a physical or chemical change? | Physical change. |
What are light years used for mesasuring? | To find distance between stars and Galaxys |
What is Astromoical units or AU used for? | To measure the distance between planets. |
How is speed measured? | Average speed= Total distance/Total time |
How is velocity measured? | Velocity= Distance/ Time+direction |
how many molicules are in the compound 5CO? | 5 |
If the wave has long waves does it have a high or a low ferquency? | Low. |
When you stretch a rubberband all the way does it have kinetic or potential energy? | Potential energy. |
What stage is the sun at? | Main sequence. |
What is a galaxy made up of? | Dust, gas,and stars. |