Front

What is energy conversion?

Back

Energy conversion is the process of changing energy from one form to another, such as converting solar energy into electrical energy.

Front

What is solar energy?

Back

Solar energy is the energy that comes from the sun, which can be harnessed using solar panels or solar cookers.

Front

What is motion energy?

Back

Motion energy is the energy an object has due to its movement. The faster an object moves, the more motion energy it has.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons, which can power devices like lights and appliances.

Front

How can solar cookers benefit the environment?

Back

Solar cookers use sunlight to cook food, reducing the need for electricity or gas, which helps lower pollution and conserve resources.

Front

What is the relationship between speed and energy in moving objects?

Back

The faster an object moves, the more energy it has. For example, a faster bowling ball has more energy than a slower one.

Front

What is the importance of testing different designs in problem-solving?

Back

Testing different designs helps find the most effective solution by comparing their performance and effectiveness.

Front

What is the principle of energy transfer?

Back

Energy transfer is the process of energy moving from one object or system to another, such as electrical energy being converted to motion energy in a blender.

Front

What is the role of design in creating effective solar-powered devices?

Back

Good design is crucial for solar-powered devices to maximize energy capture and efficiency, ensuring they work effectively.

Front

What is the difference between renewable and non-renewable energy sources?

Back

Renewable energy sources, like solar and wind, can be replenished naturally, while non-renewable sources, like fossil fuels, cannot.