Keywords: Calories – Food – Energy – Combustion – Heat

Keywords: Specific heat – Thermal energy – Mass – Temperature

Keywords: Cold materials – Heat transfer – Absorption – Temperature

Keywords: Equilibrium – Forces – Motion – Position – Physics

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

Which types of soil are best for plant growth?

Comparing evaporation ratesKeywords (English): evaporation – evaporation rate – temperature – surface area – type of liquid

Tornado vortex inside a bottletornado – vortex – air pressure – water rotation – weather phenomena

How does the distance of a star from Earth affect its brightness?

Where did the mass go? (Introductory experiment)

Atomic mass modeling.

Dye separation

Forces and motion

Properties of alcohols

What happens when two air masses of different temperatures collide?

Uneven heating on the Earth's surface

Preparation of nitrogen gas in the laboratory

Preparation of nitrogen gas from chemical compounds

Preparation of nitric acid in the laboratory.

What happens to energy?

Nitrogen Gas Preparation Apparatus

Developing observation skills

Energy Conversion

Modeling of the photoelectric effect