Physical Science

5. in which a chemical substace chane because of the adition of oxygen?
7. described by its strength and direction F=M x A.
8. It is he universal force of attraction?
11. mixture in which pure substance are unevenly distributed throughout the mixture ?
12. the way an object feels to the touch or looks as it may feel if it were touched.
13. Energy what is a form of energy that an object or a particle has by reason of its motion.
16. what is somethingh that push back away by a force?
17. which has the same properties throughout.
19. Is the sum of the potential and kinetic energy of an object?
20. what is the unit for force lifting a lemon requires about 1 newton of force?

1. Related to the vibrations of an electrical change or magnetic field that produces electromagnetic waves
2. when a liquid is heated to its?
3. which is the ability to exert a force causing displacement of an object.
4. what is made of material that keep its magnetism for a long time?
6. something pulling towards you it will ?
9. what is the unite of energy called?
10. What number of protons and electrons but a different number of neutrons?
14. when it is changing state from gas to liquid it is ?
15. when it is changing state from gas to solid it is ?
18. what packet of energy or matter?