input: OPTIONS:
- elastic energy
- residual energy
- viscosity energy
- kinetic energy Now, answer this question: Q: According to collision theory, particles that lack what kind of energy may collide, but the particles will simply bounce off one another unchanged? A:
A:
output: kinetic energy

Q: What is the method that is a plan for asking questions and testing possible answers called? A:

OPTIONS:
- forecasting
- sample size
- independent variable
- scientific investigation

Answer: scientific investigation

Problem: OPTIONS:
- oxygen
- quantum
- gravity
- atomic
Q: Q: What branch of physics deals with the smallest units of elements and compounds? A:
Answer: atomic

Problem:OPTIONS:
- core
- neutron
- nucleus
- atom

Q: What is the smallest part of an element called? A:
****
A: atom

Q: Two events are defined to be simultaneous if an observer measures them as occurring at what? A:
OPTIONS:
- midnight
- opposite times
- different times
- same time
same time

Q: What part of blood releases clotting factors? A:
OPTIONS:
- hemoglobin
- white blood cells
- erythrocytes
- platelets

Answer:
platelets