Earth & Space
What causes day and night on Earth?
Earth’s rotation
What force pulls objects toward the center of the Earth?
Gravity
How many bones does an adult human body have?
206
Which part of the plant absorbs water from the soil?
Roots
Which animal has three hearts?
Octopus
What is the name of the galaxy that Earth belongs to?
Milky Way
Which force slows down a moving car when brakes are applied?
Friction
What part of the eye controls the amount of light entering?
Pupil
What do plants use to make their own food?
Photosynthesis
True or False: Lightning is hotter than the surface of the sun.
Answer: True
What is the brightest object in the night sky besides the Moon?
Venus (Morning/Evening Star)
What type of energy do batteries store?
Chemical energy
What is the smallest bone in the human body?
What do you call animals that eat both plants and meat?
Omnivores
True or False: Bananas are berries.
Answer: True
What do we call rocks that fall from space and land on Earth?
Meteorites
hat happens to the speed of an object when more force is applied?
It increases (accelerates)
What is the tube called that carries food from the mouth to the stomach?
Esophagus
What gas do animals exhale that plants use to survive?
Carbon dioxide
How many planets in our solar system have rings?
Four (Jupiter, Saturn, Uranus, Neptune)
What is the imaginary line that Earth spins on?
Axis
What law states that “an object in motion stays in motion unless acted upon by another force”?
Newton’s First Law of Motion (Law of Inertia)
What part of the blood carries oxygen?
Red blood cells
Which process allows caterpillars to turn into butterflies?
Metamorphosis
What is the hardest natural substance on Earth?
Diamond