Kids Science Experiments - Science Facts, Questions & Answers

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Questions & Answers

Useful Science Facts, Questions and Answers

Below are some Science facts, questions and answers with lots of useful information to help you with your understanding of Science and to help you with Science projects and Science experiments. Remember to always make sure your tests are fair tests so that you know your results are right.

Kids Science Experiments and Science Projects Categories:

Absorb	Balances & Gravitation	Bending Light	Bounce and Reflect Lights
Examining Color	Electricity Ideas	Floats and Sinks	Heat
Magnet Attraction	Matter	Mix and Separating	Under Pressure
Rapid Reaction	Stop and Go	Fluid Surface Tensions	Human Senses
Temperature Explored	Science Facts, Questions & Answers	Materials & Properties	Plants & Flowers

Science Questions & Answers
A

Adaptation -

Alloy - is a metal made by melting and mixing two or more metals together, e.g. brass is a mixture of copper and zinc and bronze is an alloy of copper and tin.

Atom - What is an atom? - is the smallest particle of an element which can exist.  The tiniest part of a substance.  Everything is made up of tiny particles called atoms. Every atom is made up of even smaller particles. The center is the nucleus and very tiny particles called electrons move around it. 

B

 

C

Carnivore -

Compounds - Compounds have a fixed combination of different types of atoms.  Compounds can't easily be separated.  The names of some compounds can tell you what elements are in them: compounds ending in:  ...ate - contain lots of oxygen, ...ite - containe some oxygen & ...ide - contain no oxygen (except for oxides and hydroxides)

 

D

Diversity -

E

Ecosystem -

Elements - Elements contain only one type of atom.  There are just over 100 different elements.

Energy Transfer -  Our Sun is the ultimate source of nearly all the energy on the earth. 

Environmental factors - Some changes that occur in our environment are acid rain, pollution, global warming, pesticides, herbicides and insecticides.

 

F

Food Chain - The sun in our main source of energy transfer which produces plants (food) for animals by feeding.

Food Web -

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H

Habitat -

I

Interdependence - Living things are different people, plants and animals interact with each other and their physical environment.  Changes that occur in their environment can affect them, for example: Global warming, Pollution, Acid rain and Insecticides, herbicides and pesticides.

Invertebrate groups - Instects, Snails, Worms, Jellyfish and Squid.

J

 

K

 

L

 

M

Modecules - Molecules are made of atoms joined together (bonded),

 

N

 

O

 

P

Prey -

Q

 

R

 

S

 

T

 

U

 

V

Vertebrate groups - Amphibians, Reptiles, Birds, Fish and Mammals.

W

 

X

 

Y

 

Z