Simple Machines
What simple machine is part of a bike?
(wheel & axle OR lever)
Wheel & Axle
Potential energy is energy that is ________.
(stored or in motion)
stored
Anything that is _________ has kinetic energy.
moving
Energy is the ability to do ________.
hint: a word that starts with a "W"
work
Anything that has mass and takes up space is called m________.
matter
A ramp is a simple machine. It can be called an inclined ___________
Plane
True or False:
Chemical Energy is a type of potential energy.
True
True or False:
Electrical energy is a type of kinetic energy.
True
In science, work happens when an object changes its p__________, by m________ in the direction of an applied force.
What is the "p" word?
position
A tool we use to measure mass (also used to measure weight).
Can you name somewhere in school where there is a pulley?
in our classroom (the blinds)
in the theater (the curtains are opened and closed with pulleys)
Name an example of chemical energy
battery
gasoline
propane
food
Name an example of electrical energy
anything that you plug in: refrigerator, chromebook charger
lightning
In science, work happens when an object changes its p__________, by m________ in the direction of an applied force.
What is the "m" word?
moving
What do you call it when ice (solid) turns into a water (liquid)?
What type of simple machine is a screwdriver?
Lever or Pulley
Lever
Objects can have potential energy because of gravity.
Name an example of something that has gravitational energy.
an apple falling from a tree
a ball rolling down a hill
Heat energy is produced by _________ particles.
Hint: another word for moving that starts with a v
vibrating
Work is easier when we use m___________.
examples of the missing word: lever, pulley, wheel/axle, inclined plane, screw, wedge
machines
Solid and Liquid are 2 states of matter. What is the 3rd?
gas
What type of simple machine in an inclined plan wrapped around a cylinder? (starts with an "S")
A screw
What are the types of potential energy?
chemical
gravitational
nuclear
mechanical
Radiant energy is energy that moves in waves.
Name an example of radiant energy
sun rays, light from a lamp, x-rays, radio waves
A compound machine is made of a combination of simple machines. Can you name an example?
Hint: used to carry heavy load of dirt, has a wheel
wheelbarrow
What causes water to boil or evaporate?
Heat