5 th grade science fair projects

Bacterial Disease Disease Symptoms Prevention and Control Tuberculosis Loss of weight Vaccination Persistent diarrhoea is intestinal tuberculosis Use of suitable antibiotic Intermittent fever with a dry husky cough in lung tuberculosis Breast glan..

The surfaces of bodies are never perfectly smooth. Even a very smooth surface seen under a microscope, is found to have depressions and projections as shown in the figure belo..

Time in Seconds 0 5 10 15 20 25 30 35 Distance covered in metres 0 10 20 30 40 50 60 70 ..

One cell division involves four phases Consists of two sub-divisions: Meiosis - I and Meiosis - II each involving four phases. Prophase - I is again subdivided into five sub-stages No crossing over Crossing over takes place Daughter cells have identical chromosomes to parent c..

Property True Solutions Suspensions Colloidal Solutions Particle size Less than 10 - 7 cm Greater than 10 -5 c m Between 10 - 5 and 10 - 7 cm Visibility of particles Invisible to naked eye not visible under powerful microscope Easily visible Invisibl..

Represent the atom of sodium whose atomic mass is 23 and atomic number is 11. Calculate the number of protons, electrons and neutrons..

> Atomatic number of the elements 1st Period n = 1 Short period 2 Atomic number 1 and 2 2nd Period n = 2 Short period 8 Atomic number 3 to 10 3rd Period n = 3 Long period 8 Atomic number 11 to 18 4th Period n = 4 Long period 18 Atomic number 19 to 36 5th Period n = ..

The units of nervous system are specialised cells called the neurons . The general structure of a neuron is as follows: Around the cell body are short sensory projections called the dendrons. The fine branches of dendrons are called the dendrites. These short fibres receive messages..

Units of Nervous System - The units of nervous system are specialised cells called the neurons . The general structure of a neuron is as follows: Around the cell body are short sensory projections called the dendrons. The fine branches of dendrons are called the dendrites. These short fib..

Sl. No Non - metal Physical State Symbol 1. Hydrogen Gas H 2. Nitrogen Gas N 3. Oxygen Gas O 4. Fluorine Gas F 5. Chlorine Gas Cl 6. Bromine Liquid Br 7. Astatine Solid At 8. Carbon Solid C 9. Iodine Solid I 10. Sulphur S..