1. This is a very quick release of energy from the sun.

2. Solar flare

3. This provides Earth with light and heat.

4. The Sun

5. The sun is the closest star to ___.

6. Earth

7. When does the sun release different amounts of energy?

8. During a solar cycle

9. This is a series of events that happen over and over in the same order.

10. cycle

11. Like all stars, the sun gives off lots of ……

12. energy

13. How big is the sun?

14. 109 times as wide as Earth

15. How is the sun’s energy used in everyday life?

16. It provides heat, light, and food for plants.

17. The sun produces ___ amounts of energy during the solar cycle.

18. different

19. How does the sun’s energy affect Earth?

20. It heats the Earth.

21. How does energy from the sun travel?

22. In all directions

23. Explain why the sun looks large and bright.

24. It’s the closest star to Earth.

25. Explain how parts of the sun’s cycle affect Earth.

26. Solar flares can disrupt communications between satellites and cell phones.

27. Describe where the other stars are during the day.

28. The sun is bright because it is so close to Earth
The sun is bright because it is so close to Earth. Other stars are still out during the day but can’t see them because of the bright sun.

29. Review

30. This is a plan for testing a hypothesis.

31. A procedure

32. This is the use of science knowledge to invent tools and new ways of doing things.

33. Technology

34. This is to change from a gas into a liquid.

35. condensation

36. This is to change from a liquid water to a liquid vapor.

37. evaporation

38. This energy is the energy of motion.

39. kinetic

40. This is the distance light travels in one year.

41. Light year

42. What is a hot, glowing ball of gases?

43. A star

44. All rocks are made up of this…

45. minerals

46. Animals can be divided into two groups based on whether or not they have this….

47. backbones

48. This layer of soil is just below the subsoil.

49. bedrock