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Indicators And Forms Of Energy
Test Description: Identify common acids and bases; describe forms of energy, including checmical, heat, light, and mechanical
Instructions: Answer all questions to get your test result.
1) An indicator changed from red to blue when students tested
A
a cola drink.
B
white vinegar.
C
lemon juice.
D
a bar of soap.
2) Which item is not a common base?
A
bar of soap
B
vinegar
C
baking soda
D
ammonia
3) A scientist mixes rainwater and cabbage juice. The cabbage juice turns green. The rainwater is
A
a base.
B
neutral.
C
an acid.
D
an indicator.
4) Which group of substances would most likely be classified as acids?
A
vinegar, orange juice, lemon juice
B
ammonia, vinegar, baking soda
C
soap, ammonia, limewater
D
orange juice, limewater, baking soda
5) A student added an unknown solution to cabbage juice, and the solution changed from purple to dark green. The solution is
A
a strong acid.
B
a weak acid.
C
neutral.
D
a strong base.
6) Which form of energy can a person feel from a lit candle?
A
chemical energy
B
heat energy
C
kinetic energy
D
mechanical energy
7) Which object best represents mechanical energy?
A
the water evaporating from a sidewalk
B
the wheel on a moving tractor
C
a leaf on an oak tree
D
the batteries in a flashlight
8) Which form of energy is stored in a flashlight battery?
A
kinetic
B
heat
C
chemical
D
mechanical
9) Which activity is not an example of chemical energy?
A
sunlight coming to Earth
B
food entering a stomach
C
burning a piece of wood
D
turning on a battery-powered toy
10) Which type of energy is related to compressed springs, stretched rubber bands, and a bow and arrow?
A
chemical
B
heat
C
mechanical
D
light
*select an answer for all questions
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