8th Grade Eog Practice Questions
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Science is one of the ways in which we get to discover the secrets of why the earth is the way it is and factors surrounding living and non-living things. How attentive have you been in class these past few weeks? This is a practice EOG test for 8th grade science designed to refresh your memory. Give it a shot!
- 1.What do scientists call a possible explanation for observations they have made?
- A.
An inference
- B.
A variable
- C.
An experiment
- D.
A hypothesis
- 2.A student measured how much salt could be dissolved in water at five different temperatures. The student used 100mL of water and the same brand of salt for each trial. The manipulated variable was the ...
- A.
Temperature of water
- B.
Mass of salt dissolved
- C.
Brand of salt
- D.
Volume of water
- 3.Which of the following would you use to make the best model of a gas molecule?
- A.
A globe
- B.
A topographic map
- C.
Toothpicks and foam balls
- D.
Cardboard boxes and tape
- 4.How is digitizing used?
- A.
To measure radioactivity
- B.
To make maps
- C.
To determine the age of rocks
- D.
It resists groundawater
- 5.Which characteristic of fiberglass would make a particularly good material for making outdoor furniture?
- A.
It contains glass
- B.
It is a solid
- C.
It is lightweight
- D.
It resists corrosion
- 6.Where is most of Earth's water located?
- A.
Under the ground
- B.
In the atmosphere
- C.
In oceans
- D.
In lakes and rivers
- 7.In which of the following forms is the metal manganese found on the ocean floor?
- A.
Nekton
- B.
Nodules
- C.
Atolls
- D.
Plankton
- 8.Which of the following is an example of a non-point source of pollution?
- A.
Runoff from a farm field
- B.
A leaking septic tank
- C.
A pipe releasing chemicals
- D.
A cracked oil drum
- 9.A material that is malleable
- A.
Can be drawn into a long wire
- B.
Is attracted to magnet
- C.
Can be pounded into shape
- D.
Easily transmits electricity
- 10.If you know the length, width, and height of an object, you can determine the object's?
- A.
Mass
- B.
Melting point
- C.
Temperature
- D.
Volume
- 11.Which of the following substances is a carcinogen?
- A.
Tar in cigarette smoke
- B.
Glucose in your blood
- C.
Vinegar
- D.
Insulin
- 12.Which of the following would scientists examine to learn about the global evolution of extinct organisms?
- A.
Topographic maps
- B.
The fossil record
- C.
Living organisms in their habitats
- D.
Microorganisms in drinking water
- 13.How are cells produced?
- A.
From sunlight
- B.
From decayed organisms
- C.
From chemical reactions
- D.
From other cells
- 14.Which of the following revolutionized map making in the twentieth century?
- A.
Fossils
- B.
Radioactive dating
- C.
Satellite images
- D.
The law of superposition
- 15.Which of the following is an antibiotic?
- A.
Insulin
- B.
Penicillin
- C.
Tetanus
- D.
Diabetes
- 16.What do all protists have in common?
- A.
They are multicellular
- B.
The are all unicellular
- C.
They are all eukaryotes
- D.
They are all heterotrohs
- 17.The stage during which a cell's nucleus divides into two nuclei is called?
- A.
Osmosis
- B.
Cytokinesis
- C.
Mitosis
- D.
Interphase
- 18.How do viruses compare to bacteria?
- A.
The are both living
- B.
They are always spherical in shape
- C.
Viruses are much bigger
- D.
Viruses are much smaller
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