Input: Answer this question:
Which of the following is most consistent with the modern theory of evolution?
OPTIONS:
- Parents pass their physical traits to their offspring; those offspring with traits that help them survive in the environment are able to reproduce.
- Parents change their physical traits in order to survive in the environment, then those parental traits are passed to their offspring.
- Life on this planet came from another planet far out in space.
- Living organisms have not changed for hundreds of millions of years.
Answer: Parents pass their physical traits to their offspring; those offspring with traits that help them survive in the environment are able to reproduce.

*Question*: A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones? OPTIONS:
- the birds living in the area of the bones
- the weather conditions in the area of the bones
- the kinds of trees living in the area of the bones
- the index fossils in the area of the bones
*Answer*: the index fossils in the area of the bones

question:
Which sentence about the periodic table of elements is true?
OPTIONS:
- All elements in period 2 are metals.
- All elements in group 18 are metals.
- Metals are found on the left side of the periodic table.
- Metals are found on the right side of the periodic table.

answer:
Metals are found on the left side of the periodic table.

[Q]: Which human body system attacks viruses and bacteria once they have invaded the body?
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OPTIONS:
- circulatory
- endocrine
- digestive
- immune
****
[A]: immune

question below:
Why do satellites and spacecraft launched from Earth need to reach a specific speed to escape Earth's surface?
OPTIONS:
- to overcome Earth's gravitational force
- to protect equipment from radiation
- to break through the sound barrier
- to avoid Earth's magnetic field
answer below:
to overcome Earth's gravitational force

question:
Which equipment will best separate a mixture of iron filings and black pepper?
OPTIONS:
- magnet
- filter paper
- triple-beam balance
- voltmeter

answer:
magnet