What type of change happens when you crumble a piece of paper?
physical
100
Fill in the blanks:
____________ changes, _____________ does not.
weight; mass
200
Air is ______.
matter (a gas)
200
__________________ has definite shape and size.
A solid
200
Which will change states if you put it in the freezer?
a. sand
b. a bowl
c. pencil
d. juice
juice
200
Give an example of a chemical change.
cooking, rusting, tarnishing, etc.
200
List the 5 senses
sight, hearing, touch, smell, taste
300
Ice is a
solid
300
_________________ takes the shape of its container and does not have certain volume.
A gas
300
How can you turn liquid water into a solid?
put it in a freezer
300
How can you make a chemical change to a potato?
by cooking or baking it
300
Name the 3 states of matter.
solid, liquid, gas
400
Water is a
liquid
400
__________________ takes the shape of its container, but has certain volume.
A liquid
400
What are some properties of a dime?
shiny, metal, silver
400
When ice cream melts, what kind of change does it go through?
physical
400
How are liquids and gases the same? How are they different from a solid?
Liquids and gases both take the shape of their container. Solids have definite shape.
500
Water vapor is a
gas
500
A __________________________ is a material that something is made from.
substance
500
What can you use to measure the volume of a liquid?
a measuring cup
500
What kind of change cannot be undone?
chemical
500
What is the difference between a mixture and a solution?
solution: a special mixture formed when a material dissolves in a liquid and cannot be filtered out.
mixture: two or more materials mixed or stirred together.