Vocabulary
Anything that has mass (weight) and takes up space.
What is MATTER?
A Popsicle melts.
What is a physical change?
Chemical change.
A state of matter in which the particles move freely and have no definite shape.
What is a gas?
What type of bond do two metals create?
What is a metallic bond?
The characteristics of an object change and you use your senses to identify them.
What are PHYSICAL PROPERTIES?
Combining Alka-Seltzer and water.
The formation of bubbles occur, indicating that a chemical change as taken place.
Name two indicators of a chemical change.
Color change, bubbles, or temperature change
A state of matter in which the particles slide past one another.
What is a liquid?
A combination of two or more elements.
What is a compound?
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
Name the four states of matter.
Solid, liquid, gas, and plasma.
Use a food to give an example of a chemical change and explain why.
Example: Baking a cake, because you mix several ingredients, then bake them and you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together.
A state of matter in which the particles will take the shape of any container you put it in.
What is a LIQUID?
Spell the type of mixture that you see the different ingredients in.
Heterogeneous.
Mass divided by volume
What is a Density?
Give an example using paper that could be an example of a physical change.
cutting, ripping
True or False. Turning peanuts to peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created, only its form changed.
A state of matter in which the molecules move rapidly and freely in open space.
What is a GAS?
How many dots does Beryllium's Lewis Dot Structure have around the Be?
Two, because it is in Group 2 on the Periodic Table?
This type of matter has a definite shape.
What is a SOLID?
CHALLENGE: Explain how the water cycle is an example of a physical change.
When water changes from a liquid/solid, it precipitates, or when it changes to a gas, it evaporates, or when it forms back into a liquid, it condensates.
CHALLENGE: Explain how launching a rocket is an example of a chemical change.
The fuel combines with another chemical to produce lift off, and hot gas propels from the rocket ship.
Identify 1 example of a solid, liquid, gas, and plasma.
Solid- desk, book
Liquid- water, lemonade
Gas- helium, air
Plasma - mercury or the substance in a glow stick, lightning, stars
The three ways you can separate a mixture.
What is filtration, distillation, and crystallization?