Is energy conserved?

Objects fall due to gravityKeywords (English): gravity – falling bodies – acceleration – motion

Direction of gravitational influenceKeywords (English): gravity direction – force – downward motion – mass

Gravity between the sun, earth and moonKeywords (English): gravity – sun – Earth – moon – orbital motion

Gravity and MagnetismKeywords (English): gravity – magnetism – attractive forces – physics

Energy transformations in Newton's pendulumKeywords (English): Newton’s cradle – energy transfer – collision – motion

The effect of the mass of bodies in collisionKeywords (English): mass effect – collision – momentum – impact force

The relationship between the mass of objects and their velocityKeywords (English): mass – speed – momentum – motion – physics

The relationship between velocity and kinetic energyKeywords (English): kinetic energy – speed – mass – motion – physics

save momentumKeywords (English): conservation of momentum – collision – mass – velocity – linear momentum

Keywords: Electrical energy – Conversion – Motion – Light – Heat

purpose of experiment To realize the concept of energy survival Experiment Tools: Simple Pendulum - Double Pendulum Steps of the experiment Pull the pendulum ball up from its rest position and release it, and see what happens. Get a double pendulum or two similar pendulums. Pull the ball of one of t......

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......

Force and Acceleration force – acceleration – Newton’s second law – mass

Hooke's lawHooke’s law – spring – force – extension

Keywords: Potential energy – Kinetic energy – Transformation – Gravity – Motion

Keywords: Height of the object – Potential energy – Gravity – Mass – Physics

the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible - Test tube - Balloon - Sensitive scale - Heater - Hot water bath - Test tube holder - Stopwatch - TissuesSteps:1. Place a piece of wire crucible in a medium-sized test tube.2. Attach the balloon nozzl......

The acceleration due to gravitygravitational acceleration – free fall – motion – time – gravity

Do some light bulbs waste less energy than others?Keywords (English): light bulbs – energy efficiency – electricity consumption – lighting – comparison

Keywords: Conservation of mass – Chemical reaction – Change – Reactants – Products

Keywords: Energy – Transformation – Heat – Motion – Light

Keywords: Energy conversion – Motion – Electricity – Light – Heat

Keywords: Attraction – Repulsion – Forces – Charges – Magnet

Keywords: Orbits – Planets – Moons – Gravity – Solar system

Keywords: Mass – Matter – Measurement – Balance – Volume

Objective: To investigate the transfer of energy from one form to another.Materials: Desk lamp – Paper spiral – Thin thread – Pencil.Procedure: Use the pencil to make a small hole in one end of the paper spiral Pass the thread through the hole and tie a knot to fix the spiral Tie the other end of th......

Objective: To investigate the effect of mass on the speed of falling objects under Earth's gravity.Materials: Three identical unsharpened pencils – String or ribbon to tie the pencils.Steps: Tie two pencils together using the string, leaving the third pencil separate. Raise all three pencils to the......

:Objective To compare the amount of energy possessed by two objects different in size and mass, and to study the effect of mass on the amount of transferred energy:Tools Golf ball • Large glass ball • Ruler • Balance • Container (tray) • Fine sand:Steps Fill the container with an even layer of fine......

Objective:Study the relationship between the number of rubber bands used and the distance traveled by the car while keeping the amount of band extension constant.Materials:Small wheeled car – One rubber band and then two rubber bands – Measuring tape – Platform or straight track – Clip or barrier fo......

Objective: To demonstrate how the kinetic energy of water is converted into mechanical energy by designing a simple water turbine model.Materials: White foam ball – four plastic spoons – toothpick – three wooden sticks – container – jug.Steps: Fix the spoons onto the foam ball to represent turbine b......

This experiment shows how electrical energy is converted into kinetic energy. When electric current flows through the circuit, it powers the motor, causing it to rotate. This motion represents kinetic energy.Keywords: Electrical energy – Kinetic energy – Electric current – Motor – Motion – Energy co......

How do pulleys help you lift things?