Name the parts needed for a circuit to work.
Power Source
Wires
Output
What happens to light when it is reflected?
Light bounces off of a surface
What are the 6 physical properties of matter?
Mass
Physical State
Magnetism
Conductivity
Solubility
Density
What is a mixture?
a combination of two or more substances, maintain physical properties and can be easily separated
What is a solution?
a mixture of one substance dissolved into another
What is Force?
A push or pull
How can you fix the following circuit?
Connect the wires
What happens to light when it is refracted?
Light bends as it travels from one medium to another
What is the image below demonstrating?

density
True or False: Mixtures can be easily separated
True
True or false: Solutions can only be separated using evaporation
True
What is friction?
A force that causes an object to slow down or stop
What could you do to make none of the light bulbs light up?
Cut/remove wire F
What happens to light when it hits a prisim?
The light is refracted at different angles to produce a rainbow.
Put the objects in order from least dense to most dense.

Cork, Oil, Paper Clip, Water, Penny

3 and 4
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What can a spring scale measure
Mass and Force
What is wrong with this circuit?
It is missing a power source
Why can you see the trees in the water?
The water is reflecting the objects
What do conductors do?
allows the flow of heat and electricity
What would be the best way to separate a mixture of iron filings and sand?
use a magnet
Which substances in the list are solutions?
Oil and water
Salad
Salt water
Chex Mix
Kool-Aid
Chocolate Milk
Salt Water
Kool-Aid
Chocolate Milk
What force causes the balloon to move?
air leaving the balloon
Cutting the wire at which numbered position would allow two bulbs to remain on?
Position 2
What happens to light when it is absorbed?
light is taken in or soaked up

salt and powdered drink mix
Which substances in the list are mixtures?
Oil and water
Salad
Salt water
Chex Mix
Koolaid
Chocolate Milk
Oil and water
Salad
Chex Mix
What are two ways to determine if the liquid in the beaker is a solution of salt and water?

Taste it
Evaporate the water
What are the 3 types of variables?
Independent
Control
Dependent
Which switch(es) would need to be closed so ONLY bulbs 2 and 3 turn on?
Switch 1, Switch 3, Switch 4, Switch 5
What is happening to the light as it hits each object?

Object 1 = Refraction
Object 2 = absorb
Object 3 = Reflection
If an object keeps hot drinks hot, it would be considered an....
Insulator
What is the difference between a mixture and a solution?
You can see the individual parts of a mixture
Mixtures can be easily separated
Oscar makes a solution by stirring 30 grams of salt into 1,200 grams of water. How can he demonstrate that matter is conserved in the solution?
Measure the mass of the solution
Why is the rope not moving?

both teams are pulling with an equal force