A lever, screwdriver, and light bulb are tools we use to make work easier.
What is simple machine?
100
A wood fire changes ________ energy stored in the wood into heat energy.
What is Chemical energy?
100
Sound needs a medium to travel because it is what type of wave.
What is a mechanical wave?
100
A mixture that can be easily separated is called ______?
What is heterogeneous?
100
The smallest unit of an element that still has the properties of that element is called?
What is electrons?
200
A term used to describe the tendency of objects to remain at rest or in motion.
What is inertia?
200
Light travels fastest through which medium?
What is a vacuum?
200
Light bounces off smooth, flat surfaces because of what property of light?
What is reflection?
200
Solids, liquids, and gases are all types of ______?
What is matter?
200
What is a chemical property of matter?
What is flammability, combustibility, reactivity?
300
Air, rubber, glass, and plastic are all good _______?
What is insulators?
300
A glass jar sitting on a shelf is an example of ________ energy?
What is potential?
300
Which wave does not require a medium for transmission?
What is electromagnetic wave or light wave?
300
Ice cream melting is an example of what type of change?
What is physical change?
300
Atoms of an element contain only one type of atom because they each contain the same number of ______?
What is protons?
400
The force that accelerates objects to the earth at 9.8m/s/s.
What is gravity?
400
Water stored behind a dam is an example of what type of energy?
What is potential energy?
400
All waves transmit?
What is energy?
400
An atoms negatively charged particle is called?
What is an electron?
400
If one part of a solid object is at a higher temperature and another part of the same object is at a lower temperature, the heat is transferred within the object through the process of ________?
What is conduction?
500
If given the distance and time an object travels, what could we determine?
What is speed?
500
The process by which heat is transferred in a vacuum is called _______?
What is radiation?
500
The distance between a waves crest to another crest is known as its ______.
What is wavelength?
500
The majority of the elements on the periodic table are what?
What is metal?
500
The energy used to move most bicycles is an example of what type of energy?