Science Study Guide

Question 1

Superposition

Answer 1

Describes a challenging concept about the nature and behavior of matter and forces

Question 2

Geologic Column

Answer 2

It shows the rock formations of a region. It is arranged to indicate the relations of the subdivisions.

Question 3

Henri Becquerel

Answer 3

Physicist, discoverer of radioactivity, received a Nobel piece prize.

Question 4

Marie Curie

Answer 4

First women to win Nobel piece prize, led to the discovery of polonium and radium, developed x-rays.

Question 5

Fluorescent Minerals

Answer 5

They emit visible light. Certain electrons and chemicals in the minerals absorb energy.

Question 6

Nuclear Radiation

Answer 6

It’s the energy particles or rays given off from uranium as it decays.

Question 7

Radioactivity

Answer 7

When particles emitted from nuclei result in nuclear stability.

Question 8

Radioactive Decay

Answer 8

The process in which a nucleus of an unstable atom loses energy by emitting radiation.

Question 9

Alpha Decay

Answer 9

It’s a type of radioactive decay in which a atomic nucleus emits an alpha particle.

Question 10

Beta Decay

Answer 10

A type of radioactive decay in which a proton is transformed into a neutron.

Question 11

Gamma Decay

Answer 11

A type of radioactivity which unstable nuclei dissipate excess energy by a spontaneous electromagnetic process.

Question 12

Radiation Sickness

Answer 12

A illness and symptoms resulting from excessive exposure to ionizing radiation.

Question 13

Absolute Dating

Answer 13

The process of determining an age on a time scale in archaeology and geology.

Question 14

Isotopes

Answer 14

Versions of an atom or element that have the same number of protons, but different numbers of neutrons.

Question 15

Radioactive Decay

Answer 15

Also known as radioactivity, it’s the process which a nucleus of an unstable atom loses energy by emitting radiation.

Question 16

Parent Isotope

Answer 16

A isotope that undergoes radioactive decay in a nuclear reaction.

Question 17

Daughter Isotope

Answer 17

It’s the remaining nuclide left over from radioactive decay.

Question 18

Radiometric Dating

Answer 18

It’s a technique used to date materials such as rocks or carbon.

Question 19

Half-life

Answer 19

The amount of time it takes for half of it’s atoms to decay.

Question 20

Unstable Isotope

Answer 20

It undergoes radioactive decay which means it looses energy over time which emitting radiation.

Question 21

Stable Isotope

Answer 21

It refers to isotopes of the same element.

Question 22

Fossils

Answer 22

The remains or impression of a prehistoric organism.

Question 23

Permineralized Remains

Answer 23

A process which mineral deposits form internal casts of organisms.

Question 24

Carbon Film

Answer 24

The traces of plants or animals preserved as a thin film of carbon.

Question 25

Coal

Answer 25

Sedimentary organic rock, which is composed mainly of carbon, hydrogen, and oxygen.

Question 26

Mold

Answer 26

Growth of fungus that occurs on food or in a home or other warm moist conditions.

Question 27

Cast

Answer 27

When a fossil formed when an animal, plant, or other organism dies.

Question 28

Original Remains

Answer 28

Unchanged fossilized remains of animals and plants.

Question 29

Trace Fossils

Answer 29

They provide us indirect evidence of like in the past like footprints, tracks, and feces left behind by animals.

Question 30

Index Fossils

Answer 30

Used for dating and correlating the strata in which it’s found.

Question 31

Paleontologist

Answer 31

A scientist who studies fossils.

Question 32

Relative Dating

Answer 32

To determine the relative order of past events without determining the absolute age