Comparing Weights
You add a 3g penny to a glass containing 240g of vinegar. How much does the glass weigh now?
Ripping a piece of paper.
What is Physical Change
If you burn a piece of toast in the toaster, does the weight of the toast increase, decrease, or stay the same?
Stay the same
If you cut a tree down, and weigh all of it's pieces, will they weigh as much as the whole tree?
YES THEY WILL THE WEIGHT WILL NOT CHANGE UNLESS YOU ARE TAKING IT AWAY
What weighs more?
Cookie 59g
Golf Ball 38g
What is Cookie
True or False:
When you burn something, the weight stays the same as before it was burned.
True
Burning a log in a campfire.
What is a chemical change
Imagine you are mulching some tree branches. If you weigh the tree branches before mulching them and they weigh 120 lbs, how much will the mulch weigh when you're done?
120lbs
80 g
Three toed tree dwelling jungle animal.
What is a sloth?
If there is a box of candles sitting in a car, and they all melt together in the heat, does the weight...
A. stay the same
B. lose weight
C. gain weight
A
Getting a haircut.
What is a physical change
Mia makes a clay bowl that weighs 5 kgs, how much clay did she use to make it?
5 kgs
A teacher puts 10 g of baking soda and 45 g of vinegar into a jar and shakes it up. It bubbles up and fizzes. What is the weight of the jar after the experiment?
55g
Stays the same
If it was a _______ it would have bit you
What is a Snake?
When a bowl of water is frozen, does the weight change at all?
Boiling Water.
What is a physical change
What tool do you use to measure and compare the weight/mass of different items?
BONUS POINTS:
What is her name?
What is a scale?
BONUS POINTS:
Who is Bertha?
Imagine you leave an apple in your lunchbox over Spring Break, and it begins to rot. The apple weighed 62 g before Spring Break, how much does it weigh now?
62g
STAYS THE SAME
The third planet from the sun.
What is Earth?
If you boil an egg, does the weight of the egg change at all?
NO, it stays the same
Getting a tattoo.
What is a chemical change?
A teacher puts a gross penny that weighs 2g in a cup of bleach that weighs 100g. It starts fizzing and all the dirt turns the bleach brown.
A. Does the weight of the penny change?
B. How much does the cup weigh?
A. No, it stays the same, 2g.
B. 102g
Imagine you freeze a bowl of chicken noodle soup that weighs 387g. How much does the frozen block of chicken noodle soup weigh?
387 g
STAYS THE SAME
unless someone had some secretly
Strongest muscle in the human body.
What is the jaw?