Mixtures and Solutions
A ____ is a combination of two or more substances where all components keep their physical properties. A fruit salad is an example
mixture
A ____ circuit is considered complete and will light up a bulb.
closed
At what temperature does water freeze?
0 degrees Celsisus
____ is the energy of movement/motion.
Mechanical
A ____ is a push or pull that causes something to start moving, stop moving, or change direction.
force
A ____ is a special type of mixture where a substance dissolves in another.
solution
A circuit that is ____ will NOT be complete and will NOT light up a bulb.
open
At what temperature does water boil?
100 degrees Celsius
____ is a type of energy we can see that travels in a straight line; can travel through empty space.
Light
____ is a force that pulls us toward the center of the Earth.
Gravity
The easiest way to separate a mixture of iron filings and sand would be with a(n) ______.
When light is _____ it bounces back off the medium. An example of this would be a mirror.
reflected
A toothpick floats when you drop it into a glass of water. This means the toothpick is ___ dense than water.
less
A TV uses _____ energy to produce _____ and ____ energy.
electrical; light, sound
A substance that is a solid, sinks to the bottom when dropped in water, is NOT magnetic, and is a good electrical conductor could be what? A. Oil B. Copper C. Sand
B. Copper
Although salt dissolves in water, you can separate the salt from the water through _____.
Evaporation
When light is _____ it bends through. An example would be shining a light through a prism.
refracted
A marble falls to the bottom of a beaker of water. The marble is ____ dense than water.
more
The Sun produces two types of energy: light and ____.
Thermal
A substance that is solid, a good insulator, floats in water, and is non-magnetic could be-
A. Plastic B. Copper C. Aluminum Paperclip
A. Plastic
_____ refers to the ability of a substance to dissolve in water
Soluble/solubility
Light from the sun is ______ through a window onto the floor.
Transmitted
Buoyancy
A solar oven cooks a hot dog. What type of energy is being produced?
thermal
A substance that is a solid, magnetic, a good conductor, and more dense than water could be-
A. Plastic B. Toothpick C. Iron nail
C. Iron nail