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Your
Science
Test
Is
Tomorrow
100
What is speed?
Speed is a change of distance over time
100
What is Velocity?
Describes the object's speed and direction in motion
100
Conductors transfer heat easily, true or false? Give an example.
True. Example: Metal
100
What is energy?
The ability to do work
100
How can a force affect a motion?
A force can start or stop motion, or change its direction
200
What is Kinetic Energy?
The energy of motion
200
What is Gravity?
Is a force that acts over distance and pulls all objects together
200
What is Friction?
Is a force that works against motion
200
Insulators transfer heart very poorly. True or false?
True
200
What is a compound machine?
A machine with two or more simple machines
300
What is Radiation?
Is the transfer of energy through space
300
What is a simple machine?
A machine that only has a few parts
300
What is Volume?
The loudness of sound
300
What is Potential Energy?
Stored Energy
300
What is an echo?
An echo is a reflection sound
400
What is Vibration?
Vibration is back and forth motion
400
What is a circuit?
The path along which electric current flows
400
What is Conduction?
Conductions occurs between two objects that are touching
400
What is Effort Force?
the force used to do work
400
What do "attract" and "repel" mean? Are they synonyms or antonyms?
Attract = pull together Repel = push away/back -Antonyms
500
What is a generator?
Changes mechanical energy into electrical energy
500
What is a reflection?
Is the term for any wave that has a surface and bounces off
500
What is Heat?
The flow of thermal energy from one object to another
500
What is a series circuit?
Electric current flows in the same direction along a single path
500
What is a parallel circuit?
Electric current flows through more than one path