science review quiz 2-1 Flashcards
help me understand the study material more (21 cards)
What is energy?
It is the ability to do work.
What is energy transformation?
It is when one type of energy turns into another.
What energy can you see clearly?
Light Energy
What energy is used in photosynthesis?
Light Energy
What energy is made in solar panels?
Electrical Energy
What energy type is Food?
Chemical Energy
What examples can Chemical Energy be turned into?
Mechanical Energy
What is potential energy?
Energy that is stored.
What is kinetic energy?
Energy that is in motion.
What can electrical energy be turned into?
Light energy.
What is Light Energy?
It is the only energy we can observe.
What energy is consider gasoline for non-living things?
Chemical Energy
What is an inclined plane?
It is a simple machine that helps moving things up and down much easier.
What is a pulley?
It is a special type of wheel and rope mechanism that you can pull on to lift heavy objects.
What is a screw?
It is a twisted inclined plane; it can hold things together.
What is a wedge?
It is a sharp tool with a slanted edge to help cut things apart.
What is a wheel and axle?
It is a simple machine that works together to help move things one place to another; it makes it more easier.
What is a lever?
It helps lift heavy things with less effort.
What is a class one lever? Give one example.
The fulcrum position is between the load and the effort. One example is a seesaw.
What is a class two lever? Give one example.
Fulcrum Position: At one end, with
the load in between the fulcrum and
the effort. One example is a wheelbarrow.
What is a class three lever? Give one example.
Fulcrum Position: At one end, with
the effort in between the fulcrum
and the load. One example is a catapult.
