Thermal Energy
Conservation of Mass and Energy
Waves
Graphing
7th Grade Science
100
What are the 3 main ways to transfer heat?
Conduction, Convection, and Radiation
100
True or False: Mass is either lost or gained during a chemical reaction
False
100
Name 3 types of waves
Sound, Light, and Water
100
The horizontal axis is _________
The vertical axis is _________
X, Y
100
What type of cell is this? Plant or Animal?
Plant
200
What does radiation mean?
Transfer of energy through electromagnetic waves
200
True or False: Energy can be lost or gained during a chemical reaction
True
200
The lowest point of a wave is called a ____________
The highest point of a wave is called a __________
1. Trough
2. Crest
200
What type of graph is this?
Line Graph
200
What is the scientific name for this cycle?
The water cycle
300
What is the difference between conduction and convection?
Conduction - transfer of heat through touch
Convection - transfer of heat through liquid
300
In a chemical reaction, if the reactants have a mass of 70 grams, how many grams should be in the product?
70 grams
300
What are electromagnetic waves?
Waves that consist of electric and magnetic fields, carrying energy from one place to another.
300
What type of graph is this?
Box and Whisker
300
What is the process called when a plant uses sunlight to convert light energy into chemical energy in the form of glucose (sugar)?
Photosynthesis
400
What is the difference between a conductor and an insulator?
Conductor - transfers heat well
Insulator - does not transfer heat well.
400
In a sealed jar, a chemical reaction happens. After the reaction, the mass of the jar is the same. Why does this happen?
The atoms just rearranged and were conserved in the sealed jar.
400
What is the difference in particle movement in transverse and longitudinal waves?
Transverse - Up and Down
Longitudinal - Back and Forth
400
What is the title of this graph?
Plant and Animal Cells
400
The following words are used when talking about cell __________________.
Mitosis and Meiosis
Cell Division
500
What type of heat transfer is happening when you are boiling water?
Convection
500
What is the difference between endothermic and exothermic?
Exothermic - Releases heat
Endothermic- Absorbs heat
500
What is the difference between amplitude and frequency?
Amplitude - loudness of sound or brightness of light
Frequency - pitch in sound or color of light
500
Make a claim about this graph.
(answers according to the teams)
500
The __________________ is the powerhouse of the cell
Mitochondria