Integrated Acience

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Sulfate) absorbs the humidity contained in the air.

Observations:

In table form: day 1- 3 for each test tube

Discussion: explain rusting. Explain why results in experiment came out as they did. Describe some common problems caused by rusting and how application of information gained in the experiment can be applied to ever day life to slow the effects of rusting.

Conclusion: relate findings to aim!!

Title: food test

Aim: to test various food materials for the nutrients the contain

Materials: fruit, meat, rice, cheese, and nuts, iodine, alcohol, Benidict’s solution, sodium hydroxide, copper sulphate

Apparatus: test tube, test tube rack

Drawing:

Procedure:

Discussion: explain that plants make food and store in various organs, food is passed along to consumers down food chain. Various nutrients are needed for different body functions. Explain why knowing the nutrients contained in various food is important.

Conclusion: relate findings to aim!!

Title: respiration:

Aim: to investigate respiration of yeast

Materials: yeast, water, sugar solution, clear lime water

Apparatus: combo plate, syringes, silicone tubing, lids

Drawing:

Procedure: add 1-5 ml yeast suspension/ tap water to a well

Add two ml clear lime water to another well

Cover both wells with lids

Connect the outlet tubes of the lids with silicone tubing

Seal the remaining lid outlets

Leave the set up in a warm place for 5 to 10 minutes

Observe any changes in the wells

Observations: yeast vs water solution

Discussion: what is respiration, explain your observations, explain the set up to determine the gas produced. What is the purpose of the sugar in the solution. Describe the smell after the experiment, and identify what is the most likely cause of the smell.

Conclusion: relate findings to aim!!

Title: acids and bases

Aim: to investigate the reaction between an acid and a base

Materials: universal indicator, acid, base, water.

Apparatus: beaker, dropper

Drawing:

Method: add 20 ml to the beaker

Add drops of indicators to give a color

Add base drop by drop and stir until a neutral color appears

Make a note of how much base was added to the acid.

Observations: note observations and color changes

Discussion: explain the differences between acids and bases, describe the reaction taking place in the experiment, include equation of reactants and products. Why are these types of reactions important. Give examples of these reactions in life and industry.

Conclusion: relate findings to aim!!

Title: electricity

Aim: to compare circuits set up in series and in parallel

Materials; batteries, lamps, switch, wire

Drawing:

Procedure: set up wires as show in diagram

Remove one lamp at a time

Move the switch next to each lamp

Observe the differences.

Observation: in table form

Discussion: explain the reason for the observations, relate examples where circuits are set up in series and where they are set up in parallel. Why are different configurations used in different situations.

Conclusion: relate findings to aim!!

Title: energy from food

Aim: to determine the energy content of a peanut

Materials: water, peanut

Apparatus: boiling tube, pin, fire source, thermometer

Drawing:

Procedure: take the mass of the peanut

set up apparatus as seen above

Record the temperature of the water before burning the nut

Burn the peanut and record the temperature of the water

Record the mass of the peanut after burning

Results:

Discussion;

Conclusion: relate findings to aim!!

Title: transport in plants

Aim: to observe the path of water through the plant

Materials: healthy seeding, tap water, food coloring

Apparatus: microstand, hand lens , comboplate, dropper

Drawing:

Procedure: remove seedling from soil and wash the roots

Place food coloring in the vial

Support the aerial parts of the plant using the arm of the microstand

Allow the set up to stand in the sun for 2 hours one in a shaded area

Examine the sections of the seeding using hand lens or microscope

Observations: where did u notice the color

Discussion: what process is responsible for the movement of water