Q: What forms when a glacier scrapes a large hole in the ground? Choices: - frozen lake - drift lake - melting lake - glacial lake A:
glacial lake

Q: What does a hypothesis become after many experiments provide results supporting it? Choices: - a model - a fact - a study - a theory A:
a theory

Q: Q: Neutron stars are the corpses of left over what? Choices: - planet explosions - gravitational explosions - stellar explosions - supernova explosions A:
A: supernova explosions

Question: Q: Comprised mainly of collagen and associated with long bones and the skull, hyaline is the most widespread type of what? Choices: - enzymes - tissue - cytoplasm - collagen A:
Answer: collagen

*Question*
Q: Physical science is defined as the study of what? Choices: - light & matter - biology & light - matter & elements - matter & energy A:
**Answer**
matter & energy

Q: Q: What do you call the energy that must be overcome in order for a chemical reaction to occur, or the minimum energy required to start a chemical reaction? Choices: - expression energy - phase energy - kinetic energy - activation energy A:
A: activation energy