chem
What is the smallest unit of an element that retains the properties of that element?
atom
What is the formula for calculating speed
fss
What is the electromagnetic spectrum?
A range of all types of electromagnetic radiation
What is the largest planet in our solar system?
jupiter
What do we call a substance made up of two or more different elements that are chemically bonded together?
compound
What is the difference between mass and weight?
mass is the amount of matter in the object
Which of the following types of electromagnetic radiation has the longest wavelength?
Radio waves
What causes the seasons on Earth?
The tilt of Earth's axis
In the periodic table, what information does the atomic number of an element provide?
number of protons and electrons
If you drop a ball from a height of 20 meters, ignoring air resistance, how long will it take to hit the ground?
2.02
What type of electromagnetic radiation is primarily used for communication, such as in radios and televisions?
Microwaves
Which of the following is a natural satellite of Earth?
moon
What is the difference between a physical change and a chemical change? Give one example of each.
physical is a visible change like melting ice. chemical is changing chemically. such as making elephants toothpaste
What is potential energy
energy waiting to be used in an object
Which part of the electromagnetic spectrum can be seen by the human eye?
visible light
What is a light-year?
measure of distance
What is the pH scale, and what does it measure?
measures the potential hydrogen
What is Newton's First Law of Motion?
Newton's First Law of Motion states that an object at rest will remain at rest, and an object in motion will continue in motion at a constant velocity, unless acted upon by a net external force. This law is often referred to as the law of inertia.
How does the energy of electromagnetic waves change as the wavelength increases?
The energy decreases
Which planet is known for its prominent rings?
saturn