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Sci Stage 4_U4+U5 Review

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  • The Earth's core is mostly made of:
    Iron and nickel
    Water and air
    Rocks and soil
    Sand and clay
  • Light travels in a:
    Random directions
    Zigzag pattern
    Circular path
    Straight line
  • Which natural disaster occurs when the ground shakes due to tectonic movements?
    Hurricane
    Earthquake
    Tornado
    Tsunami
  • What happens when tectonic plates move?
    Nothing changes
    Earthquakes and volcanoes occur
    The atmosphere disappears
    The Sun gets hotter
  • What is a habitat?
    A place where plants and animals live
    A kind of natural disaster
    The core of the Earth
    A place where plants and animals live
  • Which of the following objects is opaque?
    A glass window
    A wooden door
    A magnifying glass
    A clear plastic sheet
  • The Moon appears bright at night because:
    It absorbs sunlight
    It glow in the dark
    It produces its own light
    It reflects sunlight
  • What is at the center of the Solar System?
    Jupiter
    The Moon
    The Sun
    Earth
  • Earth’s crust is broken into large pieces called:
    Mountains
    Tectonic plates
    Volcanoes
    Islands
  • What is Earth's only natural satellite?
    Mars
    Jupiter
    The Sun
    The Moon
  • Which planet has the most rings?
    Mars
    Jupiter
    Saturn
    Neptune
  • Which of the following materials allows light to pass through completely?
    Opaque materials
    Transparent materials
    Metal
    Translucent materials
  • What are the three main layers of the Earth?
    Crust, Water, Air
    Core, Soil, Ocean
    Crust, Mantle, Core
    Mantle, Crust, Cloud
  • Which of the following is a characteristic of the polar habitat?
    Very cold temperatures and ice-covered land
    Large trees and heavy rainfall
    High temperatures and dry land
    Freshwater lakes and rivers
  • Why do penguins have thick layers of fat?
    To make them heavier
    To store food
    To help them swim faster
    To keep warm in icy temperatures
  • What is the bouncing back of light called?
    Absorption
    Reflection
    Transmission
    Refraction
  • Why do shadows change in size during the day?
    The Moon covers the Sun
    The position of the Sun changes
    Shadows do not change
    The Earth stops rotating
  • What do we call the path a planet follows around the Sun?
    Orbit
    Rotation
    Revolution
    Axis
  • What is the outermost layer of the Earth called?
    Mantle
    Core
    Magma
    Crust
  • What adaptation helps fish breathe underwater?
    Gills
    Scales
    Lungs
    Fins
  • What causes day and night on Earth?
    Earth's rotation
    Earth's tilt
    Earth's revolution
    The Sun’s movement
  • What force keeps planets in orbit around the Sun?
    Magnetism
    Light
    Wind
    Gravity
  • How do camels survive in the desert?
    They store fat in their humps for energy
    They dig holes in the sand
    They sleep all day
    They drink no water
  • Why do some animals hibernate?
    To save energy during cold months
    To avoid predators
    To grow bigger
    To find more food
  • What happens when light is blocked by an object?
    A shadow is formed
    The object becomes invisible
    The object glows
    The light bends around it
  • What is magma?
    A type of soil found in forests
    Ice deep inside the Earth
    Hard rock found in mountains
    Molten rock beneath the Earth’s surface
  • Why do cacti have spines instead of leaves?
    To grow faster
    To reduce water loss in hot environments
    To scare animals away
    To collect more sunlight
  • Which adaptation helps an owl hunt at night?
    Colorful feathers
    A strong sense of smell
    Fast running speed
    Sharp eyesight and hearing
  • What is the largest planet in the Solar System?
    Jupiter
    Saturn
    Earth
    Neptune
  • A mirror is an example of a:
    Transparent surface
    Reflective surface
    Absorptive surface
    Translucent surface
  • What is the Milky Way?
    A bright comet
    The galaxy that contains our Solar System
    A star in space
    A planet orbiting Saturn
  • Which planet is closest to the Sun?
    Venus
    Earth
    Mars
    Mercury
  • What happens when magma reaches the surface?
    It becomes lava
    It turns into crystals
    It disappears
    It forms clouds
  • Which planet has a very thick atmosphere and is the hottest?
    Neptune
    Mars
    Venus
    Mercury
  • How do chameleons protect themselves?
    By running fast
    By making loud sounds
    By changing their color to blend into surroundings
    By growing spike
  • Which layer of the Earth is the thickest?
    Mantle
    Core
    Crust
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