Science competition (April 26, 2022)

13. A substance composing of molecules, a combination of atoms which are made up of 2 or more elements.

23. Determine the following:

39. A state of matter that has no shape of its own due to its loose molecular structure.

10. A substance with varying compositions.

7. What is the name for steel alloyed with chromium?

21. Is defined as the change in position over a given time.

2. What's the smallest bone in the human body?

31. What is the white substance contained in the fiber cells?

11. A substance with uniform composition

28. In which plants the annuals are absent?

22. Is the progression of events occurring between instances.

4. In 1921 who won the Physics Nobel Prize?

Is the scalar quantity defined as the total distance covered per unit time.

28. Determine the following:

15. A mixture in with the components can still be identified.

He used a cathode-ray tube to conduct an experiment which showed that three are small particles inside an atoms.

1. Which of Newton’s Laws state that ‘for every action, there is an equal and opposite reaction?

8. Answer the question:

36. Are substances made to lessen, of not eradicate, harmful microbes on surfaces.

18. A mixture with observed properties as homogeneous mixtures, but heterogeneous when subjected to tests.

25. Determine the following

32. Who formulated the heliocentric theory?

34. Earth’s atmosphere consist mostly of?

35. The earth is comprised of ___percent water?

12. Is the state of matter with high molecular movement

19. Is the total measured length between (2) given points.

16. Is the property in which the material is depend on its physical properties.

37. Determine the following:

24. Answer the question:

9. The force acting between two point charges can be computed using which of the following laws?

30. What is common hycocolloids?

26. He suggested that electrons travel around the nucleus in definite paths.

33. How many continents does Earth has?

6. What is the most abundant element in the universe?

17. This is the state of matter with a vey rigid molecular structure.

3. Which planet has the most powerful winds?

5. What liquid can work against gravity?

27. Determine the following:

29. Who first put forward and developed the nebular hypothesis of the origin of the solar system?

14. A process of adding energy to a solid, dissipating into gas without transitioning to the liquid phase