Want to see correct answers?
Login or join for free!

Search Results for systems - All Grades

3738 questions match "systems". Refine Your Search

5 categories match your search criteria.

Select questions to add to a test using the checkbox above each question. Remember to click the add selected questions to a test button before moving to another page.

Previous Page 1 of 187 Next
Grade 4 Outer Planets
Grade 6 Outer Planets
Grade 7 Respiration, Digestion, and Excretion
Grade 9 Nervous and Endocrine Systems
Which bests describes the function of the body system shown in the diagram?
Endocrine System
  1. pathogen and disease defense
  2. hormone secretion and body regulation
  3. nutrient absorption and waste excretion
  4. oxygen delivery and carbon dioxide removal
Grade 9 Respiration, Digestion, and Excretion
Which process would most likely occur in structure D in the diagram?
Digestive System
  1. chemical digestion
  2. nutrient absorption
  3. mechanical digestion
  4. peristaltic movement
Grade 9 Respiration, Digestion, and Excretion
Grade 7 Small Bodies and Dwarf Planets
Grade 4 Simple Machines
What type of pulley is shown below?
Pulley System
  1. fixed pulley
  2. movable pulley
  3. block and tackle
Grade 4 Simple Machines
Crystal must lift a bucket of water 1 meter off the ground. She may lift the bucket herself or use the pulley system shown below. Which will require less effort to lift the bucket?
Pulley System
  1. Crystal lifting the bucket on her own
  2. Crystal using the pulley system to lift the bucket
  3. Crystal must use the same effort if she lifts the bucket or uses the pulley system
Grade 4 Outer Planets
Grade 10 Nervous and Endocrine Systems
A biology textbook shows the diagram below. Which caption would most likely accompany the diagram?
Nervous System
  1. The Human Brain
  2. The Human Spinal Column
  3. The Central Nervous System
  4. The Peripheral Nervous System
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Nervous and Endocrine Systems
Which body system is best represented by the diagram?
Nervous System
  1. urinary
  2. nervous
  3. endocrine
  4. circulatory
Grade 6 Inner Planets
Grade 8 Simple Machines
Look at the image of the pulley. If bucket A has a mass of 5 kg, which of the following statements is true about the minimum effort force required to lift the bucket if friction is ignored?
Pulley System
  1. it would take 0 kg of effort to lift the bucket
  2. it would take 2.5 kg of effort to lift the bucket
  3. it would take 5 kg of effort to lift the bucket
  4. it would take 10 kg of effort to lift the bucket
Grade 8 Planetary Motion
Which statement is true about the solar system diagram shown?
Solar System
  1. it shows the geocentric model
  2. it shows the heliocentric model
  3. it shows the Ptolemaic system
  4. it shows the ancient Greek model
Previous Page 1 of 187 Next
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.