Astronomy
What is in the center of the Solar System?
The sun
What is the smallest unit of life?
The cell
What is the center of the atom called?
The nucleus
The Earth is made up of:
Water and land
What is energy?
The ability to do work
How many planets are there in the solar system?
8
What is the purpose of the digestive system?
____ orbit the nucleus.
Electrons
What causes tides on the Earth?
Gravity from the moon
What is gravity?
An attraction between objects with mass and energy.
Is Pluto considered a planet? Why or why not?
No; dwarf planet; does not meet the requirements of a planet
In which line of defense can Helper T-cells be found in? (Immune system)
Third line of defense
When ions either gain or loose electrons, they become:
Ions
What is erosion?
The process of removing or breaking down soil and rocks using wind, water, or natural agents
What is motion?
The process or action of moving something; movement
How are black holes formed?
When a star collapses
Which system takes care of sending signals, like text messages, throughout the body?
Nervous system
In the periodic table of elements, the elements in the far right are called:
Nonmetals
What are the three types of rocks?
Sedimentary, igneous, and metamorphic
What is velocity?
Speed
What holds all of the planets in the solar system in an orbit?
What is the full name of the corona virus variant that first came in 2019?
SARS-CoV-2
What is the type of bond that is formed between atoms that transferred electrons
Ionic bond
How are each of the three rock types formed?
Igneous: lava and magma cooling
Sedimentary: sediments “cemented”
Metamorphic: layers of magma through intense heat
What is time?
“the indefinite continued progress of existence and events in the past, present, and future regarded as a whole”