the ability of a substance to dissolve in another substance- salt in water
100
What is reactivity?
the ability of a substance to combine with another and form a new substance
100
Chemical or physical- water evaporating
physical
100
What is one difference between mass and weight?
mass measure matter, weight measure gravity, mass is in grams, weight is in newtons, mass is constant, weight varies, mass uses a balance, weight uses a scale
200
What is volume?
the amount of space an object takes up (in 3D)
200
In a container full of different types of liquids, which liquid would be at the bottom?
The most dense liquid
200
What changes during a chemical change?
composition
200
C or P? Grass dying and turning brown
Chemical
200
How do find the volume of an irregular shaped object?
using the water displacement method
300
What is weight?
the measure of the gravitational force on an object
300
Name a physical change of ice
melting
300
Name a sign of a chemical change
foaming, fizzing, bubbling, color, odor, smoke, heat, sound of light given off
300
C or P? Salt dissolving in water
physical
300
What is the formula for finding density?
Mass divided by volume
400
What is density?
the amount of matter in an object
400
Which is more dense- a golf ball or a ping pong ball?
golf ball
400
What is composition?
the type of matter that makes up an object
400
C or P? a change in color or odor
chemical
400
What do you use to measure liquids in a container?
Meniscus
500
What are the three states of matter?
Gas, liquid, solid
500
What is the difference between ductility and malleability?
ductility is the ability of a substance to be pulled into wire, malleability is the ability of a substance to be rolled or pounded into thin sheets
500
If you chopped a piece of wood into tiny pieces, you won't be able to reverse it and put the wood back together... so is cutting wood a chemical change?