Particle Models
A particle is a tiny piece of _____ that is too small to see without tools.
Matter
Is milk an acid?
Yes - a weak acid
What is a liquid?
Matter that can flow and takes the shape of its container.
Where was Mrs. E born?
Guam
What is the only mammal that is physically unable to jump?
Elephant
When sugar dissolves into a glass of water, where does the sugar go?
The sugar breaks apart into tiny particles too small to see.
What can be observed that best indicates a chemical reaction has occurred when mixing baking soda with an acid?
The liquid fizzes and bubbles.
What is a gas?
Matter that spreads out to fill a space.
What did Mrs. E's pajamas have on them for pajama day?
Coffee, pumpkins
Suzy watches and listens to the teacher during the lesson. If she has a question, she raises her hand and patiently waits to be called on. What P.A.W.S. expectation is Suzy showing in the classroom?
Practicing Respect
Two unknown white powders look identical. Powder A bubbles violently when vinegar is added, while Powder B does not. What does this demonstrate?
They have different chemical properties even though they look the same.
A scientist drops an unknown rock into vinegar, and bright red bubbles immediately form. What can be inferred about the rock's properties?
The rock contains a substance that reacts with acid.
What is a solid?
A type of matter that takes up space, has a weight, and holds the same shape.
How many shrimp do we currently have in our aquarium?
2
True or False: it is ok to touch unknown substances with your hands to determine it's physical properties.
False! You should NEVER touch an unknown substance. You should NEVER touch materials in Science unless Mrs. E instructs you to.
Why can you smell perfume from across a room a few moments after it is sprayed?
What is the primary difference between a weak acid (like vinegar) and a very strong acid (like concentrated laboratory acid)?
Strong acids are much more reactive with materials.
What does property mean?
A characteristic of matter that can be observed or measured, such as color, hardness, mass, or temperature.
Two of Mrs. E's sons play sports. Name one sport that they do.
Cross Country, track, jiu jitsu
Our next lesson is about:
a) cats
b) explosions
c) planets
b) explosions
Why does inflating a bicycle tire make the tire feel firm and heavy, even though air is invisible?
True or False: acids are bad
False - not all acids are bad.
True or False: Most of the dust floating around your bedroom is made of tiny bits of shed human skin.
True! Humans shed around 30,000 to 40,000 dead skin cells every single minute, making up a huge chunk of household dust.
Mrs. E holds her 5th graders to a high standard because she cares about the kind of people they are developing into.
TRUE
A full set of adult teeth have how many teeth?
32