Relative and Absolute Dating Quiz

Protons have a ______________ charge

• positive

• negative

• neutral

Electrons have a _____________ charge

• positive

• negative

• neutral

Tags

NGSS.MS-PS2-3

Neutrons have a ______________ charge

• positive

• negative

• neutral

The atomic number of a given element can change

• True

• False

Tags

NGSS.HS-PS1-8

Different varieties of the same element are called......

• molecules

• isotopes

• neutrons

The amount of time it takes half of an element to decay is called _______________

• decay point

• radioactive life

• half-life

Tags

NGSS.HS-PS1-8

What percentage of parent material is left after 2 half-lives have passed?

• 50%

• 37.5%

• 25%

Tags

NGSS.HS-PS1-8

If radioactive material were cut into pieces, what would the half-life of each piece be?

• half-life would be smaller

• half-life would not change

Tags

NGSS.HS-PS1-8

Explain what the half-life of a radioactive isotope is and why it is important in absolute dating.

Tags

NGSS.HS-PS1-8

The two assumptions scientist use to explain Earth's history

• catastrophism and uniformitarianism

• relative dating and absolute dating

• The big bang theory and the first law of thermodynamics