Investigate the movement of the sun using the shadow

Compare densities

Chemical Change

the goal:Explain how distilled water is obtained.Materials and tools:2 flasks - condenser - connecting tubes - salt water solution - flame - stoppersSteps:Place the condenser horizontally on the standPlace the flasks, one over a Bunsen flame and the other on a lab benchPour the salty water into the......

Objects fall due to gravity

realization of light refraction

How does the body balance rotationally? (introductory experiment)

the goal:After conducting this experiment, it is expected that you will be able to.- Measure the forces that generate torque.- Calculate the torque in the clockwise and counterclockwise direction for a rotating body.- Demonstrate the relationship between torque and the lever arm.Materials and tools:......

How do pulleys help you lift things?

Is energy conserved?

Electric Electroscope (Induction and Conduction)

How do charged objects interact at a distance? (introductory experiment)

Electric fields

the goal:We determine the relationship between the polarity of the field and the direction of the current.We also explain the relationship between the intensity of the electric current and the strength of the magnetic field.Materials and tools:Cardboard - Iron nail - Ammeter - Battery - Electrical s......

What causes oscillation?

the goal:Explanation of thermal energy transformations.Materials and tools:Magnesium sulfate - Calcium chloride - Distilled water - Glass beaker - Thermometer - Scale - Glass pipette - Spoon.Steps:1- Fill the glass beaker with 100 ml of water and record the temperature using the thermometer.2- Weigh......

the goal:Revealing how photosynthesis and cellular respiration work together in an ecosystem.Materials and tools:Bromothymol blue (BTB) solution - Glass beaker - Test tubes - Aluminum foil - Aquatic plant.Steps:1- Add a quantity of bromothymol blue (BTB) solution to a glass beaker using a pipette.2-......

static friction and sliding friction

Effective use of a Bunsen burner

the goal:Designing a Model for Electric Current Flow in a Simple Electrical CircuitMaterials and tools:Plastic funnel - Plastic tubes of different diameters - Metric ruler - Stand with clamp - Stopwatch - Two glass cupsSteps:1. Place the glass cup under the ring stand and secure the plastic tube in......

batteries

Modeling acceleration and deceleration

the goal:A graphic representation of the relationship between distance and time of a bowling ball while it is being rolled.The connection between the movement of a bowling ball and another type of movement.Materials and tools:A number of bowling balls - stopwatch - large cushion or any soft objectSt......

Brightness in the dark