Science!!!

Question 1

Krypton has atomic number 36. How many electrons does it have?

Answer 1

36

Question 2

How many bones does an adult human body have?

Answer 2

206

Question 3

Give the term for the amount of time it takes for a radioactive substance to decay to half its original mass

Answer 3

Half-Life

Question 4

What kind of substance has a half-life?

Answer 4

Radioactive Substance

Question 5

Give the common name for elements in group 18 of the periodic table.

Answer 5

Noble Gases

Question 6

Identify the theoretical particles now believed to be among the smallest building blocks of matter. A proton or a neutron is made of three of these.

Answer 6

Quarks

Question 7

Identify the SI unit of force. It is equivalent to one kilogram times one meter per second squared.

Answer 7

Newton

Question 8

In particle physics, identify the tiny particle whose different “flavors” are called up, down, top, bottom, strange, and charm.

Answer 8

Quarks

Question 9

Identify the spectrum of electromagnetic radiation with wavelengths between 400 and 700 nano-meters.

Answer 9

Visible Light

Question 10

Name the theory developed in the early twentieth century that suggested that all matter, like light, could be described as both particles and waves.

Answer 10

Quantum mechanics

Question 11

What chemical makes up, on average, 60% of the human body?

Answer 11

Water

Question 12

Name the male part of a flower composed of the anther and the filament.

Answer 12

Stamen

Question 13

Where in a flower are the stamens located?

Answer 13

Petals

Question 14

What are the two parts of a flower that make up the stamen?

Answer 14

Anther, Filament

Question 15

What three flower parts compose the pistil?

Answer 15

stigma, style, ovary

Question 16

Name the female part of a flower composed of the stigma, style, and ovary?

Answer 16

Pistil

Question 17

Where is a flower is the pistil located?

Answer 17

Center of the flower

Question 18

Which chemical elements make up carbohydrates?

Answer 18

carbon, hydrogen, oxygen

Question 19

Give the name for the relationship between organisms in which both organisms receive benefit but retain their individuality.

Answer 19

Mutualism

Question 20

Explain the primary claim of the theory of spontaneous generation.

Answer 20

Living organisms can arise from nonliving matter, such as decaying matter.

Question 21

Name the structures within a cell often called the powerhouse of the cell, because they generate most of the cell’s ATP.

Answer 21

Mitochondria

Question 22

Identify the chemical produced in cells that is involved in most cellular energy transfer.

Answer 22

ATP (adenosine triphosphate)

Question 23

Give the common abbreviation for adenosine triphosphate, a chemical common in cellular energy transfer

Answer 23

ATP

Question 24

Explain the difference between the three major categories of sedimentary rocks.

Answer 24

Clastic rocks are made of pieces of other rocks fused together; chemical rocks are formed from supersaturated solutions that evaporate away, leaving the extra minerals; organic rocks form from the petrification of organic matter.

Question 25

Define Clastic rocks

Answer 25

rocks that are made of pieces of other rocks fused together

Question 26

Define Chemical rocks

Answer 26

rocks that are formed from supersaturated solutions that evaporate away

Question 27

Define Organic rocks

Answer 27

rocks that form from the petrification of organic matter.

Question 28

Identify the six elements in group 18 of the periodic table.

Answer 28

helium, neon, argon, krypton, radon, xenon