18 questions
Which is NOT a form of energy?
Thermal or heat
Electric
Solar
Chemical
Sound
What is the energy transfer from pizza to Ms?
Chemical Energy to Kinetic Energy
Electrical Energy to Thermal Energy
Chemical Energy to Light Energy
Kinetic Energy to Chemical Energy
The law of conservation of energy states...
energy can be created from renewable resources like sunlight
energy is destroyed by burning fuels
energy is great for making pizzas
energy cannot be created or destroyed, only transferred.
Which is not a form of POTENTIAL energy?
Elastic
Chemical
Batteries
Sound
What is the measurement for energy?
joules
newtons
kilograms
centimeters
What is 15 kilojoules (kJ) in joules (J)?
15 000 J
1.5 J
150 J
1500 kJ
Which is FALSE?
You need energy to breathe
Plants need energy to grow
You need energy to run
You need energy to do your homework
All of the above are true
Who uses the most energy?
Someone running a marathon
Someone sitting and listening in class
Someone doing their homework
Someone walking their dog
How can we test food to see how much energy it has?
We can burn it and see how much it heats water
We can measure its weight on a scale
We can eat it and see how high we can jump
We can burn it and see how big the fire is
What might happen if you eat too little food?
You feel tired
It is hard to concentrate
Its difficult to exercise
All of the above
How do plants get their energy?
From the soil through their roots
From the water through their roots
From kinetic energy
From sunlight through their leaves
Which is NOT a type of fossil fuel?
Nuclear
gas
Coal
Oil
How is energy wasted when we turn on a light?
Electrical energy is transferred to heat energy and light energy is wasted
Light energy is transferred to heat energy and electrical energy is wasted
Electrical energy is transferred to light energy and heat energy is wasted
Chemical energy is transferred to light energy and heat energy is wasted
A roller-coaster is travelling up its track and it gets to the top. What type of energy does it have and what will it be transferred to?
Elastic Potential Energy to Gravitational Energy
Gravitational Energy to Light Energy
Kinetic Energy to Gravitational Energy
Gravitational Potential Energy to Kinetic Energy
How do we use wind for energy?
Wind moves turbines which converts kinetic energy to electrical
Wind moves turbines which converts thermal energy to electrical
Wind converts kinetic energy to sound
Wind converts elastic energy to electrical
Which is a renewable resource?
Wind
Nuclear
Natural Gas
Coal
Why should we use renewable resources?
Things like natural gas smell bad
non-renewable resources cause pollution
non-renewable resources have a limited quantity (Finite)
The sun is nice and warm
What are some ways we can save energy?
Turn off the lights when we aren´t in the room
Support the use of renewable resources
Use public transport
All of the above