Waves
What is the top of a wave is called?
Crest/Peak
How many elements are in CO2
2 carbon and oxygen
Order the following from largest to smallest
Planet, Universe, Galaxy, Solar System
Universe, Galaxy, Solar System, Planet
What occurs during all chemical reactions?
A new substance is formed.
What is the outer layer of the Earth called?
The crust
Trough
How many atoms are in H2O
3
What is the only planet not to have an atmosphere?
Mercury
The starting substances in a chemical reaction are called what?
Reactants
What process do plants perform to get energy?
Photosynthesis
When a wave bounces off a surface, it is said to have done what?
Reflected
What is the number at the front of a chemical formula that tells you how many of a particle you have called?
What is called when light from the Sun is blocked from reaching the moon by the Earth?
Lunar Eclipse
What type of reaction causes the temperature of the reaction to increase?
Exothermic
What is the body system responsible for moving oxygen and other nutrients throughout your body?
Circulatory System
When a wave bends when traveling between different substances it is doing what?
Refraction
How many atoms are in the chemical formula 2C12H22O11
90
What is the cause of Earth's seasons?
Earth's tilted axis
What are the four possible phase changes?
Melting Freezing Condensation Evaporation.
What is the organelle that is responsible for producing energy in your cells?
Mitocondria
Why we see red and blue light differently is due to what?
Their wavelengths
What coefficient need to be added to finish this chemical equation?
? H2 + O2 --> ? H2O
2
Spectroscope
What vocabulary word has the definition of "the average kinetic energy of particles in a substance"?
What is the type of energy is stored energy?
Potential energy.