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A skeleton is a strong frame that ________ our body from the inside.
breaks
supports
contains
Bones are __________.
fragile and strong
hard and strong
hard and easy to break
What is the name for the bone of the head?
Spine
Skull
Jaw
Hip
Which of these is one of the main functions of skeletons?
Skeletons protect our skin
Skeletons allow us to move
Skeletons do not help us grow
What is an exoskeleton?
a type of insects
wings of some animals
hard skins or shells on the outside of some animals
Infectious diseases are caused by these EXCEPT:
fungi
bacteria
antibiotic
viruses
Which of these is NOT a type of energy?
heat energy
movement energy
electrical appliances energy
sound energy
The heat energy is transferred to other objects or into the _______.
water
surrounding environment
kitchen appliances
_____ are animals that have to eat other living things to get their energy to grow and move.
Consumers
Producers
What is the Earth's outermost layer called?
Mantle
Core
Magma
Crust
How does the Sun affect the length of shadows?
Sunlight makes shadows disappear
Sun removes shadows
Shadows change size depending on the Sun's position
Shadows stay the same
What causes shadows?
Earth shaking
Light being blocked
Wind blowing
Sound bouncing
Which material is opaque?
Clear plastic
Wood
Glass
What is the role of an insulator in a wire?
To make it glow
To protect users from electric shock
To heat up the wire
To help current flow faster
How do chameleons protect themselves?
By making loud sounds
By running fast
By growing spike
By changing their color to blend into surroundings
What is the bouncing back of light called?
Refraction
Reflection
Transmission
Absorption
