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Seventh Grade (Grade 7) Science Questions

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Grade 7 Minerals
Ilmenite and rutile are ores of                .
  1. titanium
  2. iron
  3. copper
  4. diamond
Grade 7 Tectonics
Vertical stress creates what type of folding?
  1. anticline
  2. syncline
  3. monocline
Grade 7 Circulatory and Immune Systems
Which group has an open circulatory system?
  1. annelid worm
  2. amphibian
  3. crustacean
Grade 7 Oceanography and Hydrology
What is the approximate density of the ocean surface?
  1. 1,027 kg/m3
  2. 1,030 kg/m3
  3. 1,033 kg/m3
  4. 1,034 kg/m3
Grade 7 Anatomical Organization
The name of the tube located near the windpipe, which takes food from the throat to the stomach.
  1. large intestine
  2. small intestine
  3. esophagus
  4. liver
Grade 7 Anatomical Organization
Why is the blood that flows from the lungs to the heart bright red?
  1. It has oxygen in it.
  2. It has carbon dioxide in it.
  3. It has food coloring in it.
  4. It has waste in it.
Grade 7 Anatomical Organization
The "master gland" is known as the                .
  1. thyroid gland
  2. pancreas
  3. pituitary gland
  4. adrenal gland
Grade 7 Skin, Skeleton, and Muscles
A cartilage acts as a cushion to help in movement of the joint.
  1. True
  2. False
Grade 7 Circulatory and Immune Systems
Your heart is made from a clump of veins that are connected.
  1. True
  2. False
Grade 7 Atmosphere
Strat means "to carry".
  1. True
  2. False
Grade 7 Respiration, Digestion, and Excretion
How long is the esophagus?
  1. 5 inches
  2. 2 feet
  3. 25 centimeters
  4. 1 meter
Grade 7 Oceanography and Hydrology
What does "hydro" mean?
  1. Water
  2. Away from, Out from
  3. To carry
  4. Under or Below
Grade 7 Development and Reproduction
During adulthood, bone growth plates are present.
  1. True
  2. False
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