Which tool would you use to measure the mass of an object?
A balance
What type of mixture is salt water?
SOLUTION
What does CONSERVED mean?
not lost or destroyed
A crash or hit
When waves move through water, what happens to something floating on top?
It can move up and down or side to side only.
If two objects have the same size, but one sinks and the other floats, what property is being observed?
density or relative density
What happens to food dye when it is mixed with water?
A. It changes the temperature of the water
B. It changes the volume of the water
C. It changes the color of the water to form a solution
C. It changes the color of the water to form a solution
Ralph measured 50ml of water and then poured in 10ml of salt. What should Ralph expect to see on the balance when he measure the salt and water solution?
60ml
One way to transfer energy is through movement. This is called ______ energy.
motion or mechanical
Sound is a form of ENERGY that travels in _____.
WAVES
TRUE OR FALSE: Liquids have molecules that are tightly packed
FALSE! their molecules move around and are loooooose.
What happend to the sugar when we added it to our water and STIRRED it?
IT DISSOLVED!
You leave salt water out in the sun. The water disappears-where did it go, and what is left?
The water evaporated; the salt is left.
TRUE or FALSE. When you hit a soccer ball you do not transfer your energy of motion to the ball.
FALSE. You DO transfer your energy to the ball.
Energy can transfer through _____ or ______
motion or waves (sound)
CAR, PAPERCLIP, SCISSORS, COUCH
CAR and COUCH
If I pour 1 cup of strawberries, 1 cup of raspberries, and 1 cup of blueberries in a cup, what have I created?
A mixture.
You mix 100 grams of sand with 50 grams of salt. After mixing, what should the total mass of the mixture be if matter is CONSERVED?
150 grams
TRUE OR FALSE: If a bowling ball hits the pins at the end of the lane, it creates energy of motion.
FALSE. Energy can only be transferred, not created.
What is the transfer of energy through vibration?
Sound wave
Which state of matter has a defintite shape, definite volume, and takes the shape of their container?
LIQUID
A solution requires TWO or more substances. Is water a solution? YES or NO?
NO water is not a solution.
If I had 50 ml of milk and poured in some chocolate syrup, how could I find out how much chocolate syrup I added in?
I could subtract the total mass from the mass of the milk without the chocolate syrup.
________ is the movement of energy from one object to another.
Example: a foot to a soccer ball
Energy Transfer
What is the change in an object's position?
Motion