Unit 5 assessment - Reactions
Authored by Tim McArthur
Science
1st - 8th Grade
Used 15+ times
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33 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Look at the statements below. Select the statement that shows a chemical reaction has taken place.
A solid substance will melt.
Bubbles appear in the substance
The substance dissolves when being stirred in water
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Look at the picture of the student performing the experiment. Identify the correct set of safety rules she is following.
Wearing safety goggles, Using her fingers to identify the solution, Using a test tube rack
Hair tied back, Using a test tube rack , Wearing a lab coat
Wearing a lab coat, Hair tied back , Wearing Safety goggles
Wearing safety goggles, Hair tied back, Using a test tube rack
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When using liquids they may be dangerous. Choose the name of the type hazard for the description below.
Could cause slight swelling or redness on the skin.
Irritant
Corrosive
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When using liquids they may be dangerous. Choose the name of the type of hazard for the description below.
Could burn skin and eyes.
Irritant
Corrrosive
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A neutral substance has a pH level that will be
Greater than 7
Less than 7
Equal to 7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A alkali substance will have a pH level
Greater than 7
Less than 7
Equal to 7
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A acid will have a pH level
Greater than 7
Less than 7
Equal to 7
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