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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
Grade 9 Respiration, Digestion, and Excretion
Which process occurs primarily by structures A and B in the diagram?
Digestive System
  1. chemical digestion
  2. nutrient absorption
  3. mechanical digestion
  4. peristaltic movement
Grade 9 Respiration, Digestion, and Excretion
Grade 2 Solar System
Grade 7 Respiration, Digestion, and Excretion
Which of the following is represented by the letter G?
Respiratory System
  1. trachea
  2. nose
  3. bronchi
  4. diaphragm
  5. pharynx
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Letter C identifies which respiratory part?
Respiratory System
  1. Pharynx
  2. Larynx
  3. Trachea
  4. Lung
Grade 6 Anatomical Organization
Grade 2 Sun
Grade 9 Nervous and Endocrine Systems
Grade 9 Respiration, Digestion, and Excretion
Grade 9 Respiration, Digestion, and Excretion
Grade 8 Human Reproduction
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