Describing Matter
Name one physical property of matter that you can describe with your 5 senses.
-Texture
-Odor
-Taste
-Color
What are two properties we can measure about an object?
Mass and Volume
Name the three phases of matter
Solid, liquid, and gas
A change in size, shape, or state that results in the same substance is a....
physical change
How much matter is in as object
MASS
Ms. Dembinski used the word 'tart' to describe an object she was observing. What physical property is she describing?
Taste
What are two science instruments we can use to figure out the volume of an object?
Ruler and graduated cylinder
Give an example of an object changing from a liquid to a gas.
Various answers accepted
Crushing a can is an example of what type of change?
Physical change
Anything that has mass and takes up space
MATTER
What physical property can be observed with both sight and touch?
Shape or texture
Describe how you would find the volume of a rock.
Describe how to use displacement
Solids have a definite shape where as liquids __________________.
Take the shape of their container
Name the three types of physical changes?
Change in state
Change in size
Change in shape
The general term of what makes up matter
tiny particles OR molecules
Tom has an apple, CD, notebook and tennis ball. Which of these would not belong in the group if Tom classifies them by shape?
Notebook
Mrs. Moradiellos found the mass of a whole watermelon. After cutting it up into slices, what would she discover if she found the mass of all the watermelon pieces?
The mass would stay the same
The MOLECULES in a gas expand and move RAPIDLY
When water boils, it changes from a liquid to a gas. This is called __________.
Evaporation
A change that produces new matter
chemical change
Ms. Dembinski's class played a mystery object game. They had to put their hand in a box and use their sense of touch to guess the object. What physical property does your sense of touch help you identify the object the most?
Texture
A tissue box was measured and has the dimensions of: 14cm, 10cm, and 4cm. Find the volume.
14 x 10 x 4 = 560cm3
Water changes states when energy is added or taken away. What happens to liquid water when energy is taken away?
It freezes into a solid
Name 3 examples of chemical changes.
various responses accepted
A change in the state water from water vapor to a liquid
condensation