ICT role in 21st century education and it's challenges.
Q1-W1-Day 1_Mixture.pptx
1. is anything that takes up
space and can be weighed. It
has volume and mass.
MATTE
R
2. SOLID
• - RETAINS A FIXED VOLUME AND SHAPE
• -RIGID - PARTICLES LOCKED INTO PLACE
• - DOES NOT FLOW EASILY
3. LIQUID
• - ASSUMES THE SHAPE OF THE PART OF
THE CONTAINER WHICH IT OCCUPIES
• - PARTICLES CAN MOVE/SLIDE PAST
ONE ANOTHER
• -EXAMPLES: GASOLINE, WATER, SOFT
DRINKS
4. GAS
• - ASSUMES THE SHAPE AND VOLUME
OF ITS CONTAINER
• -PARTICLES CAN MOVE PAST ONE
ANOTHER
• - LOTS OF FREE SPACE BETWEEN
PARTICLES
• - FLOWS EASILY
5.
6. • MIXTURES ARE SUBSTANCES
COMPOSED OF TWO OR MORE
FORMS OF MATTER. IT IS MADE UP
OF TWO OR MORE SUBSTANCES
PHYSICALLY MIXED TOGETHER BUT
NO NEW SUBSTANCE IS FORMED.
7. The word “physical” means
that the substances combined have retained their physical
properties
and can still be separated through physical means. It can
come in any
form. It may be in solid, liquid or gaseous form.
There is infinite number of mixtures. Most of the food we eat is
a
combination of different things. Rarely do we eat only one
ingredient.
For example, we can eat plain fish, and mix it with seasonings
and
8. Mixtures can be either homogeneous or
heterogeneous: a mixture in which constituents are
distributed uniformly, such as salt in water, is called
homogeneous, whereas a mixture whose
constituents are clearly separate from one another,
such as sand in water, it is called heterogeneous.
In addition, "uniform mixture" is another term for
homogeneous mixture and "non-uniform mixture" is
another term for heterogeneous mixture.
16. You have visitors at home. Your mother
told you to prepare home-made cold
drinks for them. In the kitchen you have
lemon, mango and sugar. What will you
do?
17. What is mixture?
What happens when two or three materials
are combined in a mixture?
What are the characteristics of mixtures?
18. A.Put a check on the blank if it is a
mixture.
____1. A cup of red rice
____2. blood
____3. Banana cake
____4. A kilo of flour
____5. Fruit salad
19. B. Write True if the statement is correct and False if
incorrect.
_______1. A mixture is formed by combining two or
more
materials together.
_______2. In a mixture, new substances is formed
when two or
more substances are physically combined.
_______3. Air is an example of a mixture.
_______4. The substances in a mixture can be
separated by
physical means.