Bell Ringer Quiz 3 (Unit2 Week2) – TEKS 6.6E: Lab Investigation Signals

Quiz by Grade 6 Science - Texas Education Agency

Grade 6

Science (2021)

Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from

Grade 6

Science (2021)

Texas Essential Knowledge and Skills (TEKS)

SCI.6.6E

Identify the formation of a new substance by using the evidence of a possible chemical change, including production of a gas, change in thermal energy, production of a precipitate, and color change.

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Q 1/3
Score 0
A student drops an effervescent tablet into water. The mixture fizzes vigorously. What is the evidence of a chemical change?
30
The water is clear
The tablet sinks
Bubbling as gas is produced
The cup is plastic
Q 2/3
Score 0
Two colorless liquids are mixed and a bright yellow solid appears. Which statement is correct?
30
No change occurred because the liquids were clear
A precipitate formed, evidence of a chemical change
It’s only a physical mixture
The color means it dissolved

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Related quizzes

Q 1/3
Score 0
A student drops an effervescent tablet into water. The mixture fizzes vigorously. What is the evidence of a chemical change?
30
The water is clear
The tablet sinks
Bubbling as gas is produced
The cup is plastic
Q 2/3
Score 0
Two colorless liquids are mixed and a bright yellow solid appears. Which statement is correct?
30
No change occurred because the liquids were clear
A precipitate formed, evidence of a chemical change
It’s only a physical mixture
The color means it dissolved

3 questions

Q.

A student drops an effervescent tablet into water. The mixture fizzes vigorously. What is the evidence of a chemical change?

1

30 sec

SCI.6.6E

Q.

Two colorless liquids are mixed and a bright yellow solid appears. Which statement is correct?

2

30 sec

SCI.6.6E

Q.

A data table shows:

• Reaction A: Temperature rises and bubbles form

• Reaction B: Sugar dissolves in warm water

• Reaction C: Ice melts on a plate

Which reactions show evidence of chemical change?

3

30 sec

SCI.6.6E