Q: The scientific method is a method of research with defined steps that include experiments and careful what? A:
OPTIONS:
- discovery
- estimation
- consideration
- observation

Answer: observation

Q: What is the brightest star in the orion constellation? A:
OPTIONS:
- natel
- omicron
- sol
- rigel

Answer: rigel

Q: What process converts the sun's hydrogen nuclei into helium? A:
OPTIONS:
- solar fission
- nuclear fission
- combustion
- nuclear fusion

Answer:
nuclear fusion