What is a simple machine?
Any of the basic mechanical devices for multiplying an inputted force.
What is a gas?
A fluid substance which expands freely to fill any space available, irrespective of its quantity. Particles are highly spaced out and very energetic.
What is a mixture?
a mixture is a substance made by mixing other substances, and is able to be separated by physical means
What is a solid?
It has a certain size and shape. Its particles are tightly packed together and have relatively little movement.
What are sound waves?
A longitudinal wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.
What is the definition of, force?
is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects. When the interaction ceases, the two objects no longer experience the force. Forces only exist as a result of an interaction.
What is a simple machine in this room?
Answers will vary.
States of Matter, are also referred to as?
The different phases of matter, solid, liquid, gas
What is a screw?
a short, slender, sharp-pointed metal pin with a raised helical inclined plane running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.
Which of the following are examples of a mixture? a.milk b.cheese c.trail mix d.carbonated soda
The answer is a. c. and d. because they both include substances made up of other substances.
What is Matter?
Matter is anything that has mass and takes up space.