Newton's Laws
Space
The Nervous System
The Reproductive System
Mixtures
100
This law states that an object at rest will stay at rest, and an object in motion will stay in motion, unless acted upon by an outside force.
What is Newton’s First Law of Motion (or the Law of Inertia)?
100
This massive star sits at the center of our solar system and provides the thermal and light energy required for life on Earth.
What is the Sun?
100
This organ acts as the main control center for your entire body, processing information and sending out instructions.
What is the brain?
100
This stage of human development is when the body goes through physical changes to become capable of reproduction.
What is puberty?
100
This type of mixture looks completely uniform throughout, like salt water or apple juice, because the substances are evenly blended.
What is a homogeneous mixture (or a solution)?
200
If you push a heavy wooden desk and a light plastic chair with the exact same amount of force, why will the plastic chair accelerate faster?
What is "because it has less mass."
200
It takes the Earth exactly this long to complete one full orbit around the Sun (number of days)
What is one year (or 365.25 days)?
200
These are the specialized messenger cells that make up your nervous system, sending electrical signals throughout your body.
What are neurons (or nerve cells)?
200
Which glands release the hormone testosterone?
What are testes?
200
In a solution of hot chocolate, the milk or water acts as this part, which does the dissolving.
What is the solvent?
300
According to Newton's Third Law, if a skateboarder pushes backward on the pavement with their foot, the pavement pushes in this direction on the skateboard.
What is forward?
300
The rocky inner planets (Mercury, Venus, Earth, and Mars) are known by this name (Hint: It begins with a "T")
What are "terrestrial planets"?
300
This thick bundle of nerves runs down your back, protected by your spine, and connects your brain to the rest of your body.
What is the spinal cord?
300
This hormone is commonly referred to as the "female" hormone?
What is estrogen?
300
Veggie pizza, a box of crayons, and salad are all examples of what type of mixture?
What is a mechanical mixture?
400
This invisible force pulls objects down toward the center of the Earth and is the reason things fall when you drop them.
What is gravity?
400
What does this image show?
What is a solar eclipse?
400
This is the part of the nervous system which, in vertebrates, consists of the brain and spinal cord
What is the Central Nervous System?
400
This muscular organ in the female body is where a fertilized egg implants and develops into a fetus during pregnancy
What is the uterus?
400
This is a word used to describe a heterogeneous mixture in which some particles are suspended and will settle out if not continuously stirred
What is a suspension?
500
This type of force opposes motion when two surfaces slide past one another, generating heat and slowing objects down.
What is friction?
500
These are the three characteristics that define a planet?
What is it is round, orbits the sun, and has cleared its orbit?
500
What part of the brain is not labeled?
What is the brain stem?
500
Which part of the female reproductive system is not labeled?
What is the ovary?
500
Milk, clouds, and blood are all examples of this type of mixture.
What is a colloid?