Fill in the missing information to complete the chart.

Thank you. I will fill in my chart right now and ask questions if I don't understand how these numbers were calculated.

Don't care, not gonna do it, wanna go to summer school anyway.

The acronym for evidence of chemical change is CGLTPO. All of the following are pieces of evidence except-

Temperature Change, Change in Color

Change in odor, Formation of bubbles (gas)

Label the following parts of the chemical equation below: coefficient, subscript, products, reactants, yields, chemical formula.

A. reactants B. yields C. products D. subscript E. chemical formula F. coefficient

A. products B. yields C. reactants D. subscript E. chemical formula F. coefficient

A. reactants B. yields C. products D. coefficient E. chemical formula F. subscript

A. reactants B. chemical formula C. products D. subscript E. yields F. coefficient

The Law of Conservation of Mass states that during a chemical reaction, mass/matter is not A or B . Because of this law, there must be exactly the same number and kind of C on each side of a chemical equation. To check if an equation is balanced or not, simply count the number of atoms of each element on the reactant side of the equation and check to see if there are the same number of atoms of each element on the D side of the equation. If so, it is balanced.

A. created B. destroyed C. atoms D. products

A. created B. destroyed C. products D. atoms

The chemical reaction involved in photosynthesis is shown. Which is labeled correctly?

A. Carbon Dioxide B. water C. glucose D. oxygen

A. glucose B. water C. Carbon Dioxide D. oxygen

A. glucose B. oxygen C. Carbon Dioxide D. water

Draw arrows on the energy pyramid to show the direction of energy flow from greatest to least. On the pyramid, color producers green, herbivores yellow, and carnivores red.

Thank you for the free answers, I will make sure this is labeled correctly.

There should be 4 pieces of evidence circled. Which of the following pieces of evidence does not prove a chemical change has occurred.

there is an unexpected change in color

two liquids are mixed and it warms up

two liquids are mixed and a solid is produced

Category 1 STAAR Review part 2

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS1-1, MS-PS1-2, MS-LS1-6

+5

Standards-aligned

Linda Inalpolat

Used 2+ times

FREE Resource

36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is correctly labeled?

Which of the following decreases as you move from left to right across this portion of the periodic table?

atomic mass

number of electron orbitals (energy levels)

number of valence electrons

metallic character of the element

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is labeled correctly?

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the metal in period 3 that is more reactive than magnesium.

Aluminum - Al

Sodium - Na

Chlorine - Cl

Boron - B

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the noble gas with 2 valence electrons.

Aluminum - Al

Sodium - Na

Helium - He

Neon - Ne

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the element in group 17 with 5 energy levels or shells.

Iodine - I

Sodium - Na

Chlorine -Cl

Xenon - Xe

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the element that has more valence electrons than fluorine and fewer energy levels than sodium.

Argon - Ar

Sodium - Na

Chlorine -Cl

Neon - Ne

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Category 1 STAAR Review part 2

36 questions

Which is correctly labeled?

Which of the following decreases as you move from left to right across this portion of the periodic table?

Which is labeled correctly?

Identify the metal in period 3 that is more reactive than magnesium.

Identify the noble gas with 2 valence electrons.

Identify the element in group 17 with 5 energy levels or shells.

Identify the element that has more valence electrons than fluorine and fewer energy levels than sodium.

Identify the metalloid in period 3 with more protons than sodium and fewer valence electrons than chlorine.

A coefficient tells you how many there are.

A subscript tells you how many there are.

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