Science EOG

Quiz
•
Science
•
8th Grade
•
Hard
+6
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the energy pyramid, each level receives 100% of the energy from the level below it.
True
False
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student is asked to categorize the following items as elements, compounds, or mixtures: copper wire, salt, aluminum foil, baking soda, a piece of granite, and sugar water. He lists ELEMENTS as copper wire, aluminum foil, and baking soda; COMPOUNDS as salt; MIXTURES as the piece of granite. Which is in the wrong category?
copper wire
baking soda
sugar water
salt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is water classified as a compound?
Because it is an element, which consists of only one type of atom.
Because it is a substance, which can easily be separated.
Because it is a substance composed of two or more kinds of atoms bonded together.
Because it is an unevenly mixed solution, or a heterogeneous mixture.
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student is designing an experiment for the science fair. She needs to find a material that conducts an electric current, and her teacher has provided her with samples of the following elements. Which of them should she choose?
argon
fluorine
copper
phosphorous
Tags
NGSS.MS-PS2-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The mass of the products in a chemical reaction is the same as the mass of the reactants in the reaction. Which law best describes this statement?
The Law of Conservation of Angular Momentum
The Law of Superposition
The Law of Conservation of Matter
The Law of Entropy
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist recognizes a white powder as sugar due to its white crystals and its sweet taste. However, the scientist notices that the elements that make up the sugar - carbon, hydrogen, and oxygen - look nothing like sugar, nor are they sweet. What is the best explanation for this?
Sugar is a compound, and compounds usually have a different appear
Sugar is an element, so its properties are unique.
Sugar is a heterogeneous mixture, so its appearance is unique.
Substances in nature change randomly and it is impossible to predict those changes.
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The population density of marine life is denser along the shorelines of the ocean than farther out in the deep waters of the ocean. Which statement provides the BEST reason for this situation?
Ocean currents prevent many smaller marine organisms from living in deep water.
The shallow waters have fewer predators.
Coastal waters are less polluted than the deeper waters of the ocean.
There are more nutrients in shallow waters.
Tags
NGSS.MS-LS2-1
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