Draft - Practice Final - Science
Science
6th Grade
NGSS covered
Used 3+ times
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44 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following observations indicate that a chemical reaction has taken place? Select TWO correct answers.
liquid water evaporating as a result of thermal energy from the sun
two solutions being mixed together and a solid is formed
condensation on the window of a house on a cold day
a sugar cube dissolving after it has been dropped in a glass of water
gas bubbles forming as a cake is baking in the oven
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How can physical and chemical changes be differentiated? Indicate whether the following descriptions represent physical or chemical changes. Cutting a piece of paper in half describes a ______ while burning paper describes a ______.
physical change; chemical change
chemical change; physical change
physical change; physical change
chemical change; chemical change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
During a science class experiment, a teacher places a small amount of sugar in a spoon and heats it over a candle.
Which of the following would be the BEST evidence that a chemical change has taken place?
A. The sugar turns into a colorless liquid.
B. The color of the sugar turns black.
C. The sugar has a change in thermal energy.
D. The sugar gets larger.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student is making observations during a lab in class. Which of the following observations represents evidence of a chemical change?
Colorful candy melts and stains a student's hands the color of the candy.
A student uses their teeth to grind the candy into smaller pieces.
A student drops candy in boiling water and sees the candy dissolve.
A student swallows the candy and it is broken down by stomach acid.
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the best definition of a chemical change, as described in Part A?
A. A chemical change occurs when a substance changes its appearance.
B. A chemical change occurs when a substance or object changes shape.
C. A chemical change results from a change that causes a new substance to form.
D. A chemical change results from a change that causes a new shape to form.
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What can you determine about the new substance formed by mixing baking soda with vinegar?
A. The color changed.
B. An odor was produced.
D. A light was produced.
E. A gas was produced.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Complete the following statement by moving the answers to the correct boxes. In a ___ no new substance is formed, but in a ___ a brand new substance is formed.
In a physical change no new substance is formed, but in a chemical change a brand new substance is formed.
In a chemical change no new substance is formed, but in a physical change a brand new substance is formed.
In a physical change a brand new substance is formed, but in a chemical change no new substance is formed.
In a chemical change a brand new substance is formed, but in a physical change no new substance is formed.
Tags
NGSS.MS-PS1-4
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