Elemental Essentials
The first element on the periodic table abbreviated with the letter H was identified in 1766 by Henry Cavendish.
What is Hydrogen
Anything that has mass and takes up space is called this.
What is matter?
This force pulls objects toward the center of Earth.
What is gravity?
The Earth revolves around this giant star.
What is the sun?
This small item is the basic unit of life.
What is a cell?
This element is number 7 on the periodic table and is the most dominant gas in the atmosphere found at 78%.
What it Nitrogen?
The three most common states of matter are solid, liquid, and this.
What is gas?
An object in motion stays in motion unless acted on by another force.
What is Newtons first law or inertia?
This layer of Earth is made up of solid rock and tectonic plates.
What is the crust?
These tiny structures inside cells have jobs, like making energy or proteins.
What are organelles?
The atomic number of an element tells you how many of these particles are in the nucleus.
What is a proton?
This type of change, like melting or freezing, does not create a new substance.
What is a physical change?
A push or pull on an object is called this.
What is a force?
The spinning of Earth on its axis causes this daily phenomenon.
What is day and night?
These organelles are known as the “powerhouse of the cell.”
What are mitochondria?
An atom is comprised of three parts including this negatively charged part that bonds or gets shared with other elements.
What is an electron?
This form of matter has a definite shape and a definite volume.
What is a solid?
For every action, there is an equal and opposite reaction.
What is Newtons third law?
The moons gravitational pull causes this phenomenon in the ocean.
What is low and high tide?
The scientist who discovered cells while looking at cork under a microscope.
This scientist is credited with creating the first widely accepted version of the periodic table.
Who is Dmitri Mendeleev?
When matter changes directly from a solid to a gas, skipping the liquid state, the process is called this.
What is sublimation
The formula F = m × a is from this law of motion.
What is Newtons second law?
The Earths tilt on its axis is responsible for this phenomenon.
What is the 4 seasons?
This part of a plant cell gives the plant its green look.
What is chloroplast?