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How do you define the speed of an object?
distance covered in a specific space
distance covered in a specific time
weight gained in a specific time
temperature rise in a specific color
If an object is in motion, it will change its
Which object will require most energy to move it from its position?
Which gas is essential for animal breathing?
What do insects eat in the food chain?
Earth ______ on its axis and _______ around the Sun.
rotates , revolves
rotates , moves
fly , revolves
revolves , rotates
Which planet has visible rings around it?
What is the effect of earth's revolution around the Sun?
It produces storms on the earth.
It produces day and night on the earth.
It produces seasons on the earth.
It increases the temperature of the Sun.
Which one is
a correct form of water?
When heated, a solid phase will turn into ________ phase .
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