Properties of Matter
What property describes how an object feels?
Texture
Ice melting is an example of what change of state?
Solid to liquid
I roast a smore over a campfire until my marshmallow is golden brown... but then it falls off the stick! Straight into the fire :(( What change happened to my marshmallow?
Chemical change
What happens if I put two magnets side by side, with the opposite sides facing each other?
They attract
Which item listed below would NOT be attracted to a magnet?
Staple, paper clip, steel washer, penny, iron nail
If I place two objects on the scale and one reads 50g and one reads 120g, what property am I measuring?
For 50 extra points, how much more mass does the second object have than the first?
Mass
(70g more)
What is evaporation?
When a liquid turns into a gas
I dropped my glass jar of salsa on the floor of my kitchen and it shattered all over :(
Physical change
What happens if I put two magnets side by side, with the same sides facing each other?
They repel
Which of the following is a chemical change?
Evaporating, burning, bending, condensing, shredding
Burning
If I have a mystery item in a box that I can only reach into with my hand (I can't see it), what properties can I describe? (100 points per property)
Hardness, shape, texture, size
In my water bottle, I have a fizzy soda drink with ice. Name a solid, liquid, and gas found in my drink (100 points for each named)
Solid = ice, liquid = soda, gas = bubbles in soda
I left my crunchy apple sitting in a pool of water and now it's soft.
Physical change
Oh no!! My miniature brass rods and iron rods got jumbled up in my toolbox!! What would be an easy way to sort them? (I need specific details on how I would separate each item)
Use a magnet to attract the iron rods, leaving the brass rods behind to scoop up
I wanted pasta for dinner, so I set some water on the stove on high heat to boil. My mom called me on the phone and interrupted my cooking, so I talked to her for an hour. When I came back, all the water was missing from the pot!! What happened??
It evaporated
What property is a measure of how much space an object takes up?
Volume
What is condensation?
When a gas turns into a liquid
I make fresh pasta by rolling out my dough (physical or chemical?), cutting it into strips (physical or chemical?), and then boiling it in the water until it is soft and tender (physical or chemical?)
Physical, physical, chemical
What type of metal attracts magnets? What type of metal does not attract magnets? (Give both answers for full points)
Iron, copper
I have an apple in my lunchbox. It's pink, cold because I set it in the fridge, crunchy, and super sweet. What properties of the apple did I just describe? (List all 4 for 400 points)
Color, temperature, hardness, and taste
What property is a measure of how resistant an object is to being scratched?
Hardness
What property listed below is most likely to cause a solid, liquid, or gas to change its state?
A change in...
Mass? Color? Volume? Density? Temperature?
Temperature
I'm making cookies. First, I mix my dry ingredients together (Physical or chemical?). Then, I slowly add in my wet ingredients like eggs so they're not over mixed (physical or chemical?). Then I bake in the oven at 350 degrees F for 12 minutes until they're golden brown (Physical or chemical?)
Physical, physical, chemical
What are the ends of magnets called?
North pole and south pole
I have a container of different colored marbles that weighs 600 grams. The red marbles weigh 50 grams. The blue marbles weigh 75 grams. The green marbles weigh 125 grams. According to the Law of Conservation of Mass, how much must my container weigh?
350 grams