Acceleration	the rate of change in velocity, or the change in velocity per unit of time.
Balanced forces	forces that produce a net force equal to zero (no movement).
Charge	an electrical property that can be either positive or negative.
Compound machine	a machine made up of two or more simple machines.
Convection	the transfer of heat in fluids by the movement of currents that form in the fluids.
Current	a flow in a particular direction.
Data	information gathered in an investigation.
Data table	a chart that organizes data in rows and columns.
Density	the ratio of mass to volume of a substance.
Direction	the path that a moving object follows.
Electrical energy	the energy of moving electrical charges.
Electromagnetic radiation	energy that travels through space in the form of waves.
Energy	the ability to do work
Energy transformation	a change of energy from one form to another.
Force	a push or pull.
Friction	a force that tends to oppose motion between objects that touch each other.
Geotropism	a plant’s growth response to gravity (plant roots grow downward).
Gravity	a force that pulls all objects toward one another.
Heat	the flow of thermal energy.
Hydrotropism	a plant’s growth response to water.
Inclined plane	a simple machine consisting of a straight, slanted surface.
Inert	unable to react chemically.
Inertia	the tendency of an object to resist a change in its motion.
Kinetic energy	energy of motion.
Law of conservation of energy	a scientific law stating that although energy can change from one form to another, energy is neither created nor destroyed.
Lever	a simple machine made up of a bar that pivots at a fixed point.
Mass	the amount of matter in an object.
Mechanical advantage	a calculation of how much a machine multiplies force.
Mechanical digestion	the breaking of food into smaller pieces without changing it chemically.
Mechanical energy	the energy of motion used to do work.
Mechanical weathering	a process that breaks rock into smaller pieces by physical means without changing its chemical composition.
Model	a representation of an object, system, or process.
Motion	a change in an object’s position over time.
Net force	the sum of all the forces acting on an object.
Parallax	the apparent shift in the position of an object when viewed from two different places.
Phototropism	a plant’s growth response to light (plant growing towards light).
Physical change	a change that alters the form or appearance of a substance without changing the identity.
Position	an object’s location relative to a reference point.
Potential energy	energy an object has because of its position or composition
Pulley	a simple machine that consists of a rope or chain wrapped around a wheel.
Reference point	a stationary object against which motion is measured.
Screw	a simple machine that consists of an inclined plane wrapped around a cylinder.
Simple machine	a device that makes work easier by changing the size, direction, or both size and direction of the force used to do the work.
Temperature	a measure of the average kinetic energy of the particles in a substance.
Thermal energy	the energy of the moving particles that make up all matter.
Thigmotropism	a plant’s growth response to touch.
Unbalanced forces	forces that produce a net force other than zero (movement
Velocity	speed in a particular direction.
Wedge	a simple machine that consists of two inclined plans placed back to back.
Wheel and axle	a simple machine that consists of two circular objects of different sizes.
Work	the use of a force to move an object over a distance in the direction of the force.

Descubre

Crear Tarjetas

Acerca de Nosotros

Explore Tarjetas

Comparta este Set de Tarjetas de Aprendizaje

8Th Force And Motion Staar Vocab

Cómo estudiar sus tarjetas

Rango de Cartas a estudiar

51 Cartas en este set