9TH - SCIENCE
Authored by Leslie Varela
Science, Chemistry
9th Grade
Used 227+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
It is a long and muscular tube in our body.
Digestive system
Digestive tract
Large intestine
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
This is not an accesory gland:
Liver
Pancreas
Salivary Glands
Stomach
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
It is always converted in the form of heat, light or sound.
Energy
Power
Force
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Combustion is an example of
Reactants
Endothermic reaction
Exothermic reaction
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When we put an ice cube in a liquid, the ice absorbs the heat to pass to a liquid state.
This is an example of...
Exothermic Reaction
Endothermic Reaction
Over Reaction
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The law of conservation of mass establish that...
Total mass of reactants is equal to the total mass of the products.
Total numbers of atoms is the same in products and reactants.
Number of atoms and mass of the reactans are the same in products.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Substances that react together in a chemical reaction are:
Atoms
Products
Reactants
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