Earth and Space
List the eight planets in the solar system
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
What is a liquid?
A liquid is when the particles are more spaced apart and have more kinetic energy than solids.
What does friction do?
Friction opposes the movement of the solid surfaces and material grinding against each other.
What is the highest level of classification?
Kingdom
What Albert Einstein discover?
Gravity
What is the equator?
Imaginary line in the middle of the Earth, dividing Earth into the Northern and Southern hemisphere.
What is the difference between a pure substance and a mixture?
A pure substance is made of one type of particle, either one type of molecule or one type of element.
What are forces measured in?
Newtons
What is the difference between an invertebrate and vertebrate?
An invertebrate does not have a spinal cord or an internal skeleton, but a vertebrate has those features.
Who invented the lightbulb?
Thomas Edison
How many days does it take for Earth to revolve around the sun?
365 days
True or False: Oobleck is a solid
False it's both
What are balanced and unbalanced forces?
Balanced forces do not cause change in motion; they are equal in size and opposite in direction. Unbalanced forces always cause a change in motion or direction
How does a does a producer produce energy?
They use photosynthesis from sunlight to produce energy (glucose).
Which planet is known as the red planet?
Mars
What angle is Earth's axis tilt?
23.5 degrees
What common name for the compound with the chemical formula H20?
Water
What's the difference between a homogenous and heterogenous?
Homogenous is when two or more substances are combined and they do dissolve and heterogenous is a mixture of two or more substances that are combined but don't dissolve together.
What is the largest organ in the human body?
SKIN