science

Question 1

anything that orbits the sun is part of it

Answer 1

solar system

Question 2

in what year did the IAU come up with the classification of bodies not moons and planets in our solar system

Answer 2

2006

Question 3

bodies that are remnants from the formation of the solar system and contains hydrogen and helium

Answer 3

comets

Question 4

comets orbit the sun and have?

Answer 4

visible atmosphere(coma)

Question 5

name parts of a comet

Answer 5

• ion tail
• trail of dust
• nucleaus
• coma
• hydrogen envelope

Question 6

means long haired

Answer 6

dust tail kometes

Question 7

vapor cloud surroding the nucleus

Answer 7

coma

Question 8

trails of plasma

Answer 8

ion tail

Question 9

named after dutch astronomer gerard kuiper and is a donut shaped region of icy bodies which is home to pluto and arrokoth

Answer 9

kuiper belt

Question 10

parts left over from the formation of the solar system

Answer 10

kuiper belt

Question 11

big thick bubble around our solar system name after dutch astronomer hendrik oort

flat plane

Answer 11

oort belt

Question 12

famous comet because it marks the first time astronomers understood comets

Answer 12

halley’s comet

Question 13

remnants of dust from comets and asteroids and glows bright when friction

Answer 13

meteoroids

Question 14

tail formed by burning in the atmosphere

Answer 14

falling star or meteorites

Question 15

celestial event where a number of meteors can be seen

Answer 15

meteor shower

Question 16

beautiful peaks during october and has hailey’s comet

Answer 16

orionid meteor shower

Question 17

best meteor shower peaks mid august, comet swift turtle

Answer 17

perseid meteor shower

Question 18

solid piece of debris

Answer 18

meteorites

Question 19

most common type of meteorite

Answer 19

stony

Question 20

equally proportioned to be stony and iron

Answer 20

stony iron

Question 21

composed of iron and nickel, dense

Answer 21

iron

Question 22

smal rocky heavenly bodies located between mars and jupiter

Answer 22

asteroid or planetoids

Question 23

largest object in the asteroid belt

Answer 23

dwarf planet ceres

Question 24

first member of the asteroid belt when Giuseppe Piazzi spotted it in 1801

Answer 24

ceres

Question 25

all things are made of earth,fire,water,air

Answer 25

primal matter

Question 26

believed water was matter because it was everywhere

Answer 26

thales

Question 27

believed fire was matter beacaused it chnged the world

Answer 27

heraclitus

Question 28

believed aiir,earth,water and fire were matter

Answer 28

aristotle

Question 29

teacher and student who proposed that all things are made of atoms that are indivisible

Answer 29

democritus and leucipus

leucipus is the teacher*

Question 30

greek word meaning indivisible

Answer 30

atomos

Question 31

void where particles move

Answer 31

kenon

Question 32

democritus’ idea matter is made up of indivisible particles and have space between them

Answer 32

discontinuous

Question 33

aristotle’s idea of matter indefinitely divisible into smaller pieces and there ae no empty space between particles

Answer 33

continuous

Question 34

atleast 2

name the principles of particle nature

Answer 34

1. matter is made up of discrete particles
2. there is empty space between
3. particles are in constant motion
4. forces act between particles

Question 35

explains that all particles are in constant motion

Answer 35

kinetic molecular theory of matter

Question 36

particles in motion have?

Answer 36

kinetic energy

Question 37

transfer of energy when particles collide and these collisions are?

Answer 37

elastic

Question 38

attractive forces that hold particles together

Answer 38

intramolecular forces

Question 39

forces of attraction

Answer 39

intermolecular forces

Question 40

developed a theory to explain why elements in a compund always join in the same way

Answer 40

john dalton

Question 41

all matter are made up are made up of atoms that cannot be divided

Answer 41

dalton’s theory

Question 42

more temperature means

Answer 42

more kinetic energy

Question 43

ultracold atoms could exist

Answer 43

einstein

Question 44

indian physicist that works on statistical mechanics which impressed einstein

Answer 44

datyendra nath bose

Question 45

atoms confined in gas act together like a single particle in a temperature close tozero

Answer 45

bose-einstein statistic

Question 46

created bose einstein condensate in 1995 using lasers in a vacuum “special cryogenic techniques

Answer 46

eric cornell,carl wiman and wolfgang ketterle

Question 47

discovered by sir willim crookes in 1879 via ionization

Answer 47

plasma

Question 48

adds energy to gas so that electrons leave the atoms

Answer 48

ionization

Question 49

mix of + and - electrons

Answer 49

plasma

Question 50

what is this?

has a fixed shape and a fixed volume.
cannot be compressed.
s have a high density.
4) Force of attraction between the particles is very strong.
5) The space between the particles is negligible.

Answer 50

solid

Question 51

has a fixed volume but no fixed shape.
can be slightly compressed. large pressure is required to compress them.
have lesser densities than solids.
Intermolecular forces of attraction is weaker than solids.
They have considerable space between the particles.

Answer 51

liquid

Question 52

have neither a fixed shape nor a fixed volume.
can be compressed easily
have the least density among the three.
Intermolecular forces of attraction are weakest.
The space between the gas particles is large.

Answer 52

gas

Question 53

Classifications of matter

Answer 53

Compounds
Mixtures
Elements

Question 54

Believed air was matter

Answer 54

Anaximendes

Question 55

Compsed of a single atom

Answer 55

Element