Science Word definetions

Question 1

ATOM

Answer 1

The smallest particle of a chemical element that can exist.

Question 2

Element

Answer 2

An element consists of atoms with identical numbers of protons.

Question 3

Solid

Answer 3

A state of matter with fixed shape.

Question 4

Liquid

Answer 4

Fluid state with fixed volume and variable shape.

Question 5

Gas

Answer 5

State of matter with no fixed shape.

Question 6

Plasma

Answer 6

Highly Heated gas with free-moving charged particles

Question 7

Oxidation

Answer 7

Loss of electrons

Question 8

Boiling Point

Answer 8

When a solutions boiling point increases because water molecules decrease

Question 9

Evaporation

Answer 9

Liquid-Gas

Question 10

Solidification/freezing

Answer 10

Liquid-Solid

Question 11

Sublimation

Answer 11

Solid-Gas

Question 12

Melting

Answer 12

Solid-Liquid

Question 13

Vapourization

Answer 13

Liquid-Gas

Question 14

Depostion

Answer 14

Gas-Solid

Question 15

Impurities

Answer 15

Sugar, salt, etc.

Question 16

Electrons

Answer 16

Negitive energy in Atoms

Question 17

Nuetrons

Answer 17

Nuetral energy in atoms

Question 18

Protons

Answer 18

Positive energy in atoms

Question 19

Nuelcues

Answer 19

Neutron+Proton

Question 20

Solute

Answer 20

A liquid of some sort

Question 21

Solvent

Answer 21

Something (usually a solid) that can be mixed or put into a liquid

Question 22

Solution

Answer 22

When the solvent of the mixture satys and dpesn’t dissolve.

Question 23

Suspension

Answer 23

When the solvent in the mixture dissolves

Question 24

Neublues

Answer 24

in the form of a cloud or haze

Question 25

Comet

Answer 25

a celestial object consisting of a nucleus of ice and dust and, when near the sun, a ‘tail’ of gas and dust particles pointing away from the sun.

Question 26

Altitude

Answer 26

Altitude is the vertical distance above a reference point, typically sea level, measured in units such as feet or meters.

Question 27

Nuclear Fusion

Answer 27

The process by which two or more small nuclei fuse to make a bigger nucleus

Question 28

Nueclear fission

Answer 28

A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy

Question 29

Siosmeters

Answer 29

used to detect small earthquakes as magma rises inside the volcano

Question 30

Mantle

Answer 30

The layer of hot, solid material between Earth's crust and core.

Question 31

Tectonic Plates

Answer 31

Large movable plates under the Earth's surface.

Question 32

Troposphere

Answer 32

The lowest layer of Earth's atmosphere

Question 33

Lithosphere/Geosphere

Answer 33

Land/Crust

Question 34

Hydrosphere

Answer 34

Water

Question 35

Biosphere

Answer 35

All living on earth

Question 36

Atmosphere

Answer 36

The air around us

Question 37

Paelentology

Answer 37

science dealing with life in the remote past as recorded in fossil

Question 38

Dwarf Planet

Answer 38

A planet not big enough to be a real planet

Question 39

Uranus tilted rotation

Answer 39

Uranus's axial tilt is approximately 98 degrees, causing its rotational axis to be nearly parallel to its orbital plane, resulting in extreme seasonal variations.

Question 40

Venus' retrograde rotation

Answer 40

Venus rotates on its axis in the opposite direction to most planets, known as retrograde rotation, likely due to a past collision or gravitational interactions.

Question 41

Big Bang

Answer 41

The Big Bang theory posits that the universe originated from an incredibly dense and hot state approximately 13.8 billion years ago, rapidly expanding and cooling over time.