Motion
Work and Machines
Heat
Sound and Light
Electricity
100
A _____________ is any push or pull acting on an object. --------------- Force -------------------- Gravity ----------------- Work
Force
100
__________ occurs when an object moves in the direction of a force. -------------------- power ---------------------- work --------------------- electricity
work
100
____________ make great conductors. ------------------- wood ----------------------- metals -------------------- rubber
metals
100
Light or sound bouncing off a surface is also called __________. ---------------- reflecting ----------------- refracting ------------------- contraction
reflecting
100
A ___________ circuit is broken and incomplete. ------------closed --------------------- series -------------------- open
open
200
___________ is the change in positioning. ----------------- Speed ------------------ Motion -------------------- Force
Motion
200
The __________ is the metric unit of work. ------------------ gram -------------------- watt ---------------------- joule
joule
200
Changing a gas to a liquid is called ____________. --------------- evaporation ---------------- melting ------------------- condensation
condensation
200
___________ are small bundles of light energy particles. ----------------- stars --------------------- photons ------------------ light waves
Photons
200
A _______________ circuit only allows electrons to flow in one path. ------------------ parallel ------------------------ series ---------------------- alternating current
series
300
___________ is the force of attraction between two objects. --------------------- motion ---------------------- force --------------------- gravity
Gravity
300
____________ energy is said to be energy at rest. -------------- kinetic ------------------- stored ------------------------ potential
potential
300
____________ is combining two nuclei into one. --------------- fission ----------------- fusion ----------------------- refraction
Fusion
300
_______________ produce sounds. ---------------- stars -------------------- vibrations -------------------- rain
vibrations
300
__________ creates lightning. --------------------- electrons ----------------- contraction ----------------- static electricity
static electricity
400
How fast an object is moving is known as its __________. ------------------ acceleration ------------------ deceleration ------------------ speed
speed
400
Energy in motion is ________ energy. -------------------- kinetic --------------------- potential -------------------- static
kinetic
400
In science we use the ___________ scale to measure temperature. ------------------- Fahrenheit ------------------- Calorie ------------------------ Celsius
Celsius
400
Bending light is called ____________. ---------------- refraction ------------------ reflecting ------------------ reflexing
refraction
400
_____________ is the movement and flow of electrons. ------------------ battery ------------------ circuit breaker --------------- electricity
electricity
500
The measure of the time it takes for an object to increase its speed is called _____________.
Acceleration
500
A machine that can use harnessed motion to make usable electric energy is called a ______________.
Generator
500
Changing liquid to a gas is called _____________.
Evaporation
500
What are the 7 visible colors in the visible spectrum, in order.
Red/Orange/Yellow/Green/Blue/Indigo/Violet
500
Wet cell batteries are most often times found in _______.
Cars