2025 MRJH Test Review 1.2
Presentation
•
Science
•
7th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Myra Lopez
Used 2+ times
FREE Resource
9 Slides • 16 Questions
1
MRJH 7th Grade Science
2
Read the passage. Then answer the question. on the following slide:
Which statement best describes a physical change?
Which are examples of a physical change?
3
Multiple Choice
Which statement best describes a physical change?
A change that alters (changes) the form or appearance of natter without creating a new substance.
A change that produces a new substance with different properties.
A change that cannot be reversed.
A change that only occurs at high temperatures.
4
Multiple Select
Which of the following are examples of a physical change?
Melting ice cube
Melting wax
A burning log turning into ash
Sugar dissolving hot water
Rust forming on a nail
5
Read the passage. Then answer the question on the following slide:
Which statement best describes a chemical change?
Which are examples of a chemical change?
6
Multiple Choice
Which statement best describes a chemical change?
A change that alters (changes) the form or appearance of natter without creating a new substance.
A change that produces a new substance with different properties.
A change that can easily be reversed.
A change that only occurs at high temperatures.
7
Multiple Select
Which of the following are examples of a chemical change?
Melting ice cube
Melting wax
A burning log turning into ash
Sugar dissolving hot water
Rust forming on a nail
8
Read the passage. Then answer the question on the following slide:
Which of the following correctly pairs a chemical change with the evidence of a chemical change?
9
Multiple Choice
Which of the following correctly pairs a chemical change with the evidence of a chemical change?
A silver spoon tarnishing is evidenced by the formation of a dark substance on the spoon.
Boiling water is evidenced by the formation of steam.
Sugar dissolving in hot water is evidenced by the sugar disappearing.
Wax melting in candle is evidence by a state of matter change.
10
Multiple Select
Based on the information from the reading passage, what are the signs that a chemical change has occurred?
Change in color or odor
Formation of a precipitate
State of matter change (Solid melting into liquid)
Formation of a gas
Change in thermal energy
11
Read the passage, then match the term to the correct definition on the following slide:
What is a solution?
What is a solute?
What is a solvent?
12
Match
Match the definition to the correct term.
Solution
Solute
Solvent
A homogeneous combination of two or more substances
The substance that is dissolved in a solution
The substance that dissolves the solute
A homogeneous combination of two or more substances
The substance that is dissolved in a solution
The substance that dissolves the solute
13
Read the passage, then answer the question on the following page:
What is the difference between concentration and solution?
14
Multiple Choice
What is the difference between concentration and dilution?
15
Read the passage, then answer the question on the following page:
What are the factors that affect the rate of dissolution?
16
Multiple Select
What are the factors that affect the rate of dissolution?
Temperature of the solvent
Surface area of the solute
Agitation by stirring or shaking a solution
The price of the materials
17
When counting elements, count the number of capital letters in the chemical formula.
For example: NaOH has three capital letters and three elements (Na - Sodium, O - Oxygen, H - Hydrogen)
When counting atoms, count the numbers next to each chemical symbol in the chemical formula.
For example: NaOH has three total atoms.
Na - 1 atom of Sodium,
O - 1 atom of Oxygen,
H - 1 atom of Hydrogen
18
Multiple Choice
How many elements are in glucose? See the chemical formula below.
C6H12O6
3
6
12
24
19
Multiple Choice
How many carbon are in glucose? See the chemical formula below.
C6H12O6
3
6
12
24
20
Multiple Choice
How many hydrogen are in glucose? See the chemical formula below.
C6H12O6
3
6
12
24
21
Multiple Choice
How many oxygen atoms are in glucose? See the chemical formula below.
C6H12O6
3
6
12
24
22
Multiple Choice
How many total atoms are in glucose? See the chemical formula below.
C6H12O6
3
6
12
24
23
24
Categorize
H (Hydrogen)
C (Carbon)
Rusting of iron
Silver spoon tarnishing
Leaves changing colors
Candle burning the wick producing smoke
Place each example into the correct category.
25
Poll
Are you ready for CBA 1.2 on Friday September 12?
Yes, because I studied my notes and paid attention in class!
Yes, because I will study!
MRJH 7th Grade Science
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