Mrs. Keidel wants to measure the mass of her math books. What unit of measurement should Mrs. Keidel use?
grams or kilograms
When water changes from a gas to a liquid it is called...
condensation
When water freezes it becomes ice, this happens to the AMOUNT of matter.
It stays the same
If the north poles of two magnets are held near one another, what will happen?
they will oppose or repel one another.
When campers burn the wood in their campfire, what kind of change is taking place?
a chemical change.
Tyler lets some air out of his soccer ball. The soccer ball will experience a physical change. It will change _____________?
size
Water can change from one state to another. What happens when water changes states?
Matter is neither lost or gained.
Mrs. Alford built a model of the school. When she measured the mass of the model, it was 128g. If she took the model apart and measured the legos used, what would the mass of the parts be?
128g
What tool could be used to determine if an unknown substance contained iron or steel?
a magnet
Some signs that matter may have gone through a chemical change include....
Change in color or odor
Water comes in three forms, a solid, a liquid, and a gas. What state is water in when the particles it is made of are tightly packed?
Solid
Mrs. Albert noticed condensation on her car windows this morning. When the warm water vapor is cooled by the window glass it becomes a ___________?
liquid
Mrs. Felia bought popsicles for her class. She forgot to put them in the freezer and they melted. What happened to the AMOUNT of matter in the popsicles?
The matter stayed the same.
Magnets have poles where their magnetic fields are strongest. What parts of the Earth have the strongest magnetic fields.
The north and south poles.
Mrs. Hennagir bought a quart of strawberries for dessert. When she was washing them, she noticed one of the berries was squishy and runny. What is happening to this berry?
The berry is rotting, which is a chemical change.
Name any four physical properties of matter.
Texture
Size
Shape
Color
Taste
Attraction to Magnets
On a warm, sunny day, Mr. Cluff hung some wet clothes outside on a clothesline. Which change of state will happen to the water in the clothes?
The water will change from liquid to gas
Mrs. Berryhill was making a snack for Emma and Ellie. She took an apple out of the refrigerator and sliced it. What did slicing the apple do to the AMOUNT of its mass?
Nothing, it stays the same.
What will happen if the south pole of one magnet is held near the north pole of another magnet?
The magnets will be attracted to one another.
Ms. Berryhill baked muffins for the fourth grade teachers. What type of change occurred while the muffins were in the oven?
A chemical change
Mrs. Felia measures the volume of a small rock. She puts 25 ml of water into a graduated cylinder. When she drops the rock into the cylinder, the water rises to 42ml. What is the volume of Mrs. Evans' rock?
The volume of the rock is 17ml.
Provide an example of how water is used for each purpose:
- Recreation
- Transportation
- Farming
Examples -
- Recreation: swimming, fishing
- Transportation: boats, kayaks, canoes
- Farming: watering plants, for animals
Mrs. Mallet is making a pasta salad. She uses 200g of peppers, 300g of pasta, and 150g of chicken. What is the total mass of Ms. Mallet's pasta salad?
650g
The types of materials that magnets are attracted to are called...
What is are metals?
A window breaking is an example of why type of change in matter?
Physical change