Q: Scientists think the solar system formed from a big cloud of gas and dust called what? A:

OPTIONS:
- comet
- supernova
- Oort cloud
- nebula

Answer: nebula

Problem: OPTIONS:
- nuclear
- abstract
- chemical
- thermal
Q: Q: In the case of a light bulb, electricity is converted to light and what kind of energy? A:
Answer: thermal

Problem:OPTIONS:
- reproductive
- brain
- digestive
- muscles

Q: What kinds of cells that are important to our physical functioning can atrophy when they are not used? A:
****
A: muscles

Q: Individuals with sickle cell anemia have crescent-shaped what? A:
OPTIONS:
- glial cells
- white blood cells
- nerve cells
- red blood cells
red blood cells

Q: The length of the sloped surface of a ramp is referred to as what? A:
OPTIONS:
- accumulation distance
- output distance
- furlong
- input distance

Answer: input distance

input with options: Q: When scientists work in natural settings rather than a lab, it is called what? A:
OPTIONS:
- outside work
- extracurricular activity
- exploratory
- fieldwork
output:
fieldwork