Yeah snow day!!! But there is still work to be done so here it is.
8th grade science:
Read pages 75-84 and do Comprehension Check 1-10
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9th grade science:
Here
is your quiz. Answer the questions and
bring it to me in a sealed envelope with your parents signature Friday. Answers only please you do not need to rewrite the questions.
Short
Answer
1.
What is a chemical change that results from a
collision between molecules?
2.
What are the new
substances produced by a chemical reaction?
3.
What is an
expression that uses chemical symbols to represent a chemical reaction?
4.
What law states
that the total mass of the reactants is equal to the total mass of the
products?
Matching:
Match each description on the left with the correct term on the right . Answers may be used more than once.
5. Indicate how many molecules of a substance A. reactants
are involved in a reaction B. equations
6. Indicate the
number of each type of atom in a C. subscripts
molecule D.
coefficients
7. The numbers that may be changed in order to
balance a chemical equation
8. Original substances that undergo a chemical
reaction
Balance
the equation
9.
N₂ + H₂ → NH₃
Short
Answer
10. What general
term refers to ionic compounds that are neither acids or bases?
11. What scale do chemists use to describe the relative
strength of an acid or a base?
12. What term is used to describe substances with a pH of
7?
13. What is another name for single-displacement reaction?
Matching: Match the description on the left with the
correct term on the right.
14. negative
ion with the formula OH- A. acids
15. positive
ion with the formula H₃O+ B. bases
16. category of
ionic compounds with a bitter C. Hydronium
taste and slippery feel; some can corrode D. Hydroxide
metals; turns litmus blue E. salts
17. category of
ionic compounds with a sour taste; some can
dissolve metals; turns litmus red
11th US History:
Read Section 2 pages 338- 352. Do Section 2 Review 1-15 and identify.
10th Botany and Zoology:
Read 325-331 and do Section 16.2 review 1-9 and Identify.
We will have a quiz Friday over pages 318-327. Below is what you need to know to be prepared:
- The type of symmetry all vertebrates have
- what makes up the classification of mammal
- what is an oviparous
- tetrapod
- the shock absorbing fluid within the womb of mammals?
- what is an endoskeleton
- what is gestation
- what are mammary glands
- definition of homeothermic
- definition of herbivore
11th Anatomy and Physiology:
Complete the study guide for the test on Friday. I have sent the Study Guide in an email to your parents. If you have any questions please call me 660-563-0564.