Solar Ovens
Where should a solar oven be placed?
Explain the input and output energy of a lamp
Electrical energy and light/heat energy
What are the benefits of driving a solar car? (2 answers)
Solar energy is a renewable resource and produces less pollution than a gas car
What is the definition of a nonrenewable resource?
What is the definition of energy
The ability to cause motion or change
Why do you need a dark material in the solar oven?
In order for an object to use electrical energy is has to...
Be plugged in
How is energy used in a blender?
Electrical energy is converted to motion energy
What is an example of a renewable resource?
Sunlight, water, wind
What should engineers do when trying to find a solution to a problem?
Test different designs, and choose the one that works best.
True or false: solar ovens are the preferred way of cooking because they are better for the environment
True
When an object moves slower, it's energy of motion....
decreases
A town has wind turbines to power the lights in their homes, businesses, and schools. What energy conversion is happening here?
Motion energy is converted to electrical energy
What is an example of a nonrenewable resource?
Coal, fossil fuels, oil
Coal City is thinking about using water from a dam to power the lights in all of the school. Explain the energy conversion in this scenario
Motion energy is converted to electrical energy
Why are solar ovens better for the environment?
They are powered by the sun, which is cleaner than burning gas with a regular oven
What causes an object to have more energy? (2 answers)
Heavier and going faster
Where does the thermal energy from a cup of hot chocolate go when you are holding it?
It is transferred to your hands
Carpooling is a way to conserve what nonrenewable resource?
Oil
Bru (my big dog) and Scout (my small dog) are running at the same speed, which one has more energy and why?
Bru because he's heavier
How does heat move throughout a solar oven?
From the sun, to the dark material, to the food
Emily and Paisley are running down the track. Emily is going 6 mph and Paisley is going 8 mph. Which student has more energy and why?
Paisley, because she's going faster
Ollie dropped his water bottle on the floor and it makes a loud sound when it crashes. What 2 types of energy are in this scenario?
Motion and sound
Name the resources we talked about (nonrenewable and renewable, there are 7)
Name the types of energy (6)
Solar, thermal, chemical, electrical, sound, motion