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The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformation occur when propane gas is used to lift the balloon?
29Mechanical to light to chemical
Thermal to chemical to light
Chemical to mechanical to thermal
Chemical to thermal to mechanical
- Q1
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformation occur when propane gas is used to lift the balloon?
Mechanical to light to chemical
Thermal to chemical to light
Chemical to mechanical to thermal
Chemical to thermal to mechanical
120s6.9c - Q2
When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts -
mechanical energy to chemical energy
chemical energy to mechanical energy
electrical energy to chemical energy
chemical energy to light energy
120s6.9c - Q3
The main parts of a working clothes dryer are shown in the diagram. This appliance dries clothes primarily by converting -
electrical energy to heat and light
mechanical energy to heat and vaporization
electrical energy to heat and mechanical heat
mechanical energy to heat and electrical energy
120s6.9c - Q4
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
The thermal energy stored in the match changed to light energy and chemical energy.
The light energy and thermal energy stored in the match changed to chemical energy.
The light energy and thermal energy stored in the match changed to mechanical energy.
The chemical energy stored in the match changed to thermal energy and light energy.
120s6.9c - Q5
A cook heats a meal in a microwave oven. What energy transformation occurs between the microwave oven and the meal?
electrical energy to light energy to chemical energy
electrical energy to electromagnetic energy to thermal energy
chemical energy to electromagnetic energy to chemical energy
chemical energy to thermal energy to light energy
120s6.9c
