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Science Questions - All Grades

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Grade 6 The Moon
Which is the closest object to Earth?
  1. Jupiter
  2. Moon
  3. Sun
  4. Pluto
Grade 6 Food Chains and Webs
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. These actions most benefit plants by
  1. returning nutrients to the soil.
  2. releasing oxygen into the air.
  3. making space for new animals.
  4. decreasing the population of herbivores.
Grade 6 Symbiosis
Grade 9 Food Chains and Webs
Which organisms can be found at the first, or lowest, trophic level?
  1. herbivores
  2. carnivores
  3. heterotrophs
  4. autotrophs
Grade 6 Communities, Populations, and Ecosystems
Grade 10 Food Chains and Webs
Grade 6 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. something that affects a certain population
  2. all living and nonliving things in a particular area
  3. an increase in the Earth's temperature
  4. organisms that make their own food
Grade 4 Rocks
When magma cools it forms igneous rock. Where is magma found?
  1. above ground
  2. underground
  3. on a mountain
  4. on the outside of a volcano
Grade 6 Communities, Populations, and Ecosystems
Grade 6 Anatomical Organization
Organs in the body work together to form
  1. tissues.
  2. systems.
  3. cells.
Grade 6 Inner Planets
Grade 6 Communities, Populations, and Ecosystems
Place the categories in order from smallest to largest.
  1. biosphere, ecosystem, community, population, organism
  2. organism, population, community, ecosystem, biosphere
  3. biosphere, population, ecosystem, community, organism
  4. organism, community, ecosystem, population, biosphere
Grade 7 Forces and Motion
Matter is pulled to the ground by
  1. space
  2. gravity
  3. air
  4. soil
Grade 6 Outer Planets
Grade 6 Inner Planets
Which of the following statements about Earth is true?
  1. It is the only planet in the solar system that rotates on an axis.
  2. It is the only planet in the solar system with a moon.
  3. It is the only planet in the solar system with an atmosphere.
  4. It is the only planet in the solar system known to support life.
Grade 6 Outer Planets
What two gases mostly make up Saturn?
  1. oxygen and helium
  2. oxygen and nitrogen
  3. hydrogen and helium
  4. hydrogen and nitrogen
Grade 6 Food Chains and Webs
                eat both plants and animals.
  1. Carnivores
  2. Herbivores
  3. Omnivores
  4. Scavengers
  5. Decomposers
Grade 8 Simple Machines
An object being lifted or moved by a machine is
  1. a fulcrum.
  2. a load.
  3. work.
  4. force.
  5. friction.
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