The Mr. Ellis Newsletter

What's Going On in Mr. E's Class and Around Midway Middle

Week of February 16th to February 19th

SPRING PICTURES WILL BE ON FRIDAY, FEBRUARY 19TH.


PROGRESS REPORTS GO OUT ON MONDAY, FEBRUARY 22ND.


HIGH SCHOOL REGISTRATION WILL BE ON TUESDAY, FEBRUARY 23RD AT MIDWAY HIGH AT 6:30.


THE MAKEUP SNOW DAY WILL BE APRIL 29TH


8TH GRADE PROM WILL BE SATURDAY, MAY 14TH AT SANDY RIDGE AT 6:00 PM. PLEASE GET INFORMATION/REGISTRATION SHEET FROM YOUR HOMEROOM TEACHER.


SCHEDULE FOR THIS WEEK:


SCIENCE:

WE WILL CONTINUE OUR UNIT ON CHEMISTRY

STUDENTS WILL HAVE HOMEWORK WEEK 23 THIS WEEK.



MATH:

WE WILL FINISH THE COUNTY BENCHMARK ON TUESDAY.

PYTHAGOREAN THREOREM FOR THE REST OF THE WEEK!

QUIZ ON FRIDAY

Science Homework Week 23

Week 23 Homework Chemical/Physical Changes 8.P.1.3

Physical property chemical property precipitate

Physical change chemical change density

Melting point Boiling point solubility

1.Which characteristic property of iron is MOST CLOSELY related to the formation of rust?

A. chemical reactivity C. specific heat

B. melting point D. solubility

2. A student placed a small chip of limestone into a hydrochloric acid solution, and carbon dioxide gas was released. The carbon dioxide provided evidence that

A. only a physical change occurred C. only a loss of mass occurred

B. a chemical change occurred D. the formation of an element occurred

3. Which of these does not illustrate substances reacting to form new substances

A. H2O (l) à H2O (g)

B. 2H2 + O2 à 2H2O

C. 2Na + Cl2 à 2 NaCl

D. 6CO2 + 6H2O à C6H12O6 + 6O2

4. When baking soda and vinegar react, the product includes bubbles. What has MOST LIKELY occurred?

A. gas formation B. exothermic reaction C. precipitate formation

5. Which task in the kitchen is a physical change?

A. frying an egg B. baking a cake C. melting butter D. toasting bread

6. Which is the BEST evidence that the creation of a precipitate is the result of a chemical reaction?

A. demonstrates gas production

B. demonstrates a temperature change

C. demonstrates a new substance has formed

7. A student kept a notebook during an investigation. Which recorded observation was most likely a physical change?

A. the solution was heated for two minutes until it boiled

B. a solid formed when two liquids were mixed together

C. two solutions were mixed and the resulting solution felt hot

D. the color of two mixed solutions changed from clear to white

8. Which is the best evidence of a chemical change occurring when bread is baked?

A. The bread is warm and soft.

B. Steam rises from the bread after it is baked

C. The dough rises during baking , and its texture changes

D. The loaf of bread appears exactly the same before and after baking

9. Which is the best term to describe a chemical reaction that absorbs heat energy?

A. catalytic B. exothermic C. endothermic

10. When two liquids are mixed together, a solid forms and settles on the bottom of the container. What can be concluded?

A. Each liquid was a different color

B. A chemical change has taken place

C. The temperature of the liquids decreased

D. The solubility of the liquids has decreased

11. When a person chews, saliva from the mouth mixes with starches in the food. These starches begin to turn into sugars. Changing starches into sugars is best described as

A. a phase change C. a physical change

B. a cellular change D. a chemical change

12. Which term describes the relationships between the mass and volume of a substance?

A. density B. solubility C. specific heat D. melting point

13. Which BEST describes a substance that changes from a liquid to a solid?

A. The substance gains mass

B. The substance gains volume

C. The substance undergoes a physical change

D. The substance undergoes a chemical change

Would you like to get a text message from me telling you what your child has for homework each night?

Each night, I will send you a text message showing what that night's homework will be. Here are the instructions for signing up:


For Science 1A (Mon, Wed), text @ellissc1mw to 81010

For Science 2A, (Tues, Thur) text @ellissc1tt to 81010

For Science 8A, (Mon, Wed) text @ellissc8mw to 81010

For Science 9A, (Tues, Thur) text @ellissc8tt to 81010

For Math, text @mathellis to 81010