Science: 5005

Question 1

Galileo Galilei

Answer 1

Improved the telescope and used it to prove Copernicus’ heliocentric theory.

Question 2

Radiation Therapy

Answer 2

A technique in which high-energy electromagnetic radiation is used to kill cancer cells in the body.

Question 3

Dmitri Mendeleev

Answer 3

A chemist (1834-1907) who published the first periodic table with elements arranged by mass

Question 4

MRI

Answer 4

A medical technique that uses a strong magnetic field to investigate the human body.

Question 5

X-Rays

Answer 5

High frequency, high energy electromagnetic radiation that reveal bones and other tissues with different densities inside the surrounding flesh.

Question 6

Gregor Mendel

Answer 6

A biologist credited as the father of modern genetics. He worked with pea plants and observed consistent ratios in specific crosses, leading to his terming of dominant and recessive genes.

Question 7

Scientific Method

Answer 7

a series of deliberate steps by which scientists observe, hypothesize, test, analyze data, and communicate results

Question 8

Scientific Knowledge

Answer 8

scientific fact discovered using the scientific method

Question 9

Heliocentricity

Answer 9

The accepted astronomical model that the sun is at the center of our solar system. The theory was put forth by Copernicus in 1543 and expanded upon by Galileo in 1632.

Question 10

Photon

Answer 10

a particle of light energy

Question 11

Control Group

Answer 11

a group of specimens in an experiment to which no change is made; does not receive the experimental treatment

ex: In an experiment investigating the effect of talk therapy on alleviating depression, the group receiving only the medicine would be the control group.

Question 12

Risk Assessment

Answer 12

the process by which scientists analyze potential risks and benefits before conducting scientific investigations and experiments

Question 13

Charles Darwin

Answer 13

an English naturalist who developed the idea of natural selection and theory of evolution; these ideas were published in the book On the Origin of Species

Question 14

Weight

Answer 14

The amount of force of gravity on an object, measured in newtons (N) or pounds (lb) on a scale.

Question 15

Material Safety Data Sheet (MSDS)

Answer 15

a standardized information sheet for a substance; includes information about health risks, safe disposal and cleanup of spills, and environmental risks

Question 16

Scientific Law

Answer 16

a proven explanation for a phenomenon

ex: Newton’s Laws of Motion

Question 17

Organization

Answer 17

students store new information and relate it to what they already know and understand about the world

ex: Students organize their data and analysis into a class presentation that makes sense of their learning.

Question 18

Control Group

Answer 18

a group of specimens in an experiment to which no change is made; does not receive the experimental treatment

ex: In an experiment investigating the effect of talk therapy on alleviating depression, the group receiving only the medicine would be the control group.

Question 19

Data

Answer 19

measurements and observations recorded during an experiment

Question 20

Hypothesis

Answer 20

an informed prediction (made based on previous observations) for a phenomena. Should be testable.

ex: If we give plants more fertilizer, they will grow taller.

Question 21

Scale

Answer 21

a tool used to measure weight

Question 22

Waft

Answer 22

Wave the air toward the face. The safe way to smell a test tube.

Question 23

Renewable Resources

Answer 23

resources which replenish at the same (or faster) rate than the rate at which they are used

ex: wind energy, solar energy, hydroelectric power

Question 24

Observation

Answer 24

information gathered using the five senses

ex: smell, color