VOCABULARY
The point at which matter changes from a liquid to a gas
Boiling Point
This state of matter has no shape and no volume
What type of change is an object burning?
Chemical
Volume Balance
Length Graduated Cylinder
Weight Metric Ruler
A glass is filled half full of water and half full of ice. The weight of the ice and water is 250 milligrams. Which sentence describes the weight of the water when the ice melts in the glass?
it will weigh 250 milligrams
It will weigh less than 250 milligrams
It will weigh a little more than 250 milligrams
It will weigh 250 milligrams
Anything that takes up space
Matter
This state of matter has particles that are scattered and move around freely
Gas
What type of change is melting/freezing
Physical
What is a conductor
An object that allows electricity to pass through it
Paul has 2 unlabeled containers filled with white powder in his kitchen. He knows one is salt, which dissolves in water. He knows the other is antacid, which forms a new substance in water. In what order should he complete the steps to identify the powders?
Put the steps into the correct order from TOP to BOTTOM
Record the results
Make a Hypothesis
Observe the water for changes
Place 5 milliliters of water into each of the two graduated cylinders
Stir 5 grams of each white substance into each cylinder of water
A mixture that has the came composition throughout because all the parts are mixed evenly (you cannot separate them)
Solution
This state of matter has a volume, but no shape
Liquid
What type of change is a change in size?
Which is an example of a physical change?
A. Bread Baking
B. Fish rotting
C. Crumbling Paper
D. Gas bubbles rising after objects are mixed together
C. Crumbling Paper
Mary mixed 100 milliliters (mL) of water with 12 mL of sugar in a bow. She left the bowl with the sugar and water mixture outdoors. After a week, she noticed crystals and a small amount of liquid at the bottom of the bowl. Which sentences describes what happened in the bowl?
There was one new substance formed
There were no new substances formed.
There were two new substances formed
There were many new substances formed
A combination of two or more different substances in which the substances keep their identities (You can separate them)
Mixture
Which state of matter has a volume but no shape?
TRICK QUESTION!!!! NONE OF THEM DO
DOUBLE JEOPARDY
Name all 5 types of chemical changes that we discussed in Lesson 3
Give an example of an insulator
Silk, rubber, plastic, etc...
DOUBLE JEOPARDY!!!
Name the 8 slides I want in your stem challenge project
You MUST pronounce it correctly
Conservation of Matter
Which state of matter has loose particles that slide past eachother
Liquid
What type of change is a change of temperature
Chemical
What would happen to the amount of matter in a piece of wood if it were cut into pieces, and then burned? EXPLAIN WHY FOR AN EXTRA 100 POINTS
The amount of matter would decrease
The amount of matter would stay the same
The amount of matter would increase
It would stay the same because the law of conservation of matter states that matter cannot be created or destroyed
FREE SPACE!!!!
Enjoy an automatic 250 points just for picking the question