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4 th Grade Science Ch. 5-6 Forces and Motion Mrs. Thornburgs version
Vocabulary Terms in 4 th Grade Science Ch. 5-6 PositionMotionSpeed AccelerationForceInertia GravitationGravityWeight FrictionVelocityWork Simple MachineFulcrumPulley Wheel & AxleScrewWedge Inclined PlaneLever
What do we call a force that resists motion between objects that are touching?
What do we call the measure of an objects change in position during a unit of time?
What do we call the location of an object?
What do we call the measure of the speed and direction of motion of an object?
What do we call a pull or push of any kind?
What do we call the force of attraction between Earth and other objects?
What do we call a change of position of an object?
What do we call any change in the speed or direction of an objects motion?
What do we call the property of matter that keeps an object at rest or keeps it moving in a straight line?
What do we call a force that acts between any two objects and pulls them together?
What do we call a measure of the gravitational force acting on an object?
What do we call the use of force to move an object over a distance?
What do we call a machine with few or no moving parts that you apply just one force to?
What do we call a simple machine that is a slanted surface?
What do we call a simple machine made of two inclined planes placed back-to-back?
What do we call a simple machine made of a wheel and an axle that turn together?
Wheel & Axle
What do we call a simple machine made of a wheel with a line around it?
What do we call a simple machine made of a post with an inclined plane wrapped around it?
What do we call a simple machine made of a bar that pivots on a fixed point?
What do we call the fixed point on a lever?
Simple and Compound Machines Identifying Simple Machines.
Aerodynamic. able to move through the air with as little air resistance as possible.
Aerodynamic. air resistance able to move through the air with as little air resistance as possible.
Sir Isaac Newton 1642 – 1727 Laws of Motion Potential Energy stored energy Kinetic Energy Energy in motion.
Simple Machines. Simple Machine - a device that changes the size or direction of a force being used to do work.
Mr. Johnson Perrysville Junior High Updated
Simple Machines Mr. Kings Science Classes. IntroductionIntroduction Simple machines are machines with few or no moving parts. Simple machines are machines.
Simple Machines will change the size or direction of a force in one motion. Compound Machines a system of two or more simple machines (the game mouse.
Work and Simple Machines S8P3. Students will investigate relationship between force, mass, and the motion of objects. a. Determine the relationship between.
SIMPLE MACHINES LESSON January 30, 2001 Ms. Ashbys Third Grade Class.
Welcome to a world full of machines! There are machines all around us! Turn to your neighbor and discuss what kinds of machines you saw on your way to.
Work and Machines What Do You Think? How can a machine make work easier?
Unit 6 – Lecture 1. Review Work = Force * distance measured in Joules [newton meters] this remains true using effort force or resistance force Power =
FORCE AND MOTION Mrs. Hicks Science 6 th Grade. The force that results from two surfaces rubbing against one another. VOCABULARY: ACCELERATION EQUILIBRIUM.
Work & Simple Machines Review. Define / Describe WORK.
Levers and Pulleys Not so simple machines!. Just think…. Could you lift your science teacher in the air?
Physics Review Physics Practice Problems Key. Question #1: You walk 100 meters in 15 seconds. What was your average speed in meters per second?
المحاضرة السابعة The Laws of Motion Chapter The Concept of Force The body is moving, When it change its position during a limited time.
Chapter: Work and Simple Machines Table of Contents Section 3: Simple MachinesSimple Machines Section 1: Work and Power Section 2: Using MachinesUsing.
The Force and Related Concepts. Force Can you define it? Definition: The cause of acceleration, or the change in an object ’ s velocity (or the push or.
SIMPLE MACHINES Give me a lever long enough, and a fulcrum on which to place it, and I will move the world. Aristotle.
Monday, September 16, 2013 Mrs. Hensley Sedgefield Middle School.
Gravity The force that pulls objects towards each other – a force of attraction between objects! On Earth, gravity is pulling everything straight down.
Simple Machines Chapter 7-Part 2. Pulleys Pulley A grooved wheel with a rope or a chain running along the groove.
Physical Science Chapter 4 Work & Machines. Section 4-1: What is Work? Work is force exerted on an object that causes the object to move some distance.
FORCE Mr. Skirbst Physical Science Topic 04. What is force?
Simple Machines 1.Simple machines help us do work. 2.Machines make work easy. 3.There are 6 kinds of simple machines.
Forces and Motion 4.05 Determine factors that affect motion including: Force Friction. Inertia. Momentum.
Work and Simple Machines 4.07 Determine how people use simple machines to solve problems.
Work, Power, and Simple Machines. What is Work? Work is done when a force is exerted on an object and causes it to move in the same direction the force.
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