What is the largest organ in the human body?
The Skin
What is the force that pulls objects towards the center of the Earth?
Gravity
What is the symbol for the element hydrogen?
H
What is the outermost layer of the Earth called?
The crust
What is the closest celestial body to Earth?
The moon
What is the powerhouse of the cell called?
Mitochondria
What is the unit of measurement for force?
Newtons
What is the process called when a liquid turns into a gas?
Evaporation
What is the study of Earth’s atmosphere and weather called?
Meteorology
What is the largest planet in our solar system?
Jupiter
What is the pigment that gives plants their green color and helps them with photosynthesis?
Chlorophyll
What is the unit of measurement for speed?
Meters per second (m/s)
What is the smallest unit of matter called?
An atom
What is the study of earthquakes called?
Seismology
What is the name of the galaxy that contains our solar system?
Milky Way
What is the hard outer covering on insects called?
Exoskeleton
What is the force that resists motion when two objects rub against each other?
Friction
What is the process called when a solid turns directly into a gas without becoming a liquid first?
Sublimation
What is the name of the layer of the atmosphere where weather occurs?
The troposphere.
How many planets are there in our solar system?
Eight
What is the process called when a plant loses water through its leaves?
Transpiration
What is the force that opposes the motion of an object through a fluid, such as air or water?
Drag
What is the formula for table salt (sodium chloride)?
NaCl
True or False: Earth’s seasons are caused by its elliptical orbit around the Sun.
False: Seasons are caused by the tilt of Earth on its axis.
Which planet has the most moons?
Jupiter