Weather
The layered mixture of gases surrounding Earth is called?
The atmosphere
The triple beam balance measures this...
Mass
What are the three states of matter?
Solid, liquid gas
The variable that you test?
Independent or manipulated variable.
What does the word toxic mean?
Poisonous
What is the purpose of hurricane symbols on a weather map?
To warn people of dangerous weather.
A graduated cylinder measures this...
Liquid Volume
Ripping paper
Phase changes
The variable that you measure?
Dependent or responding variable
In case of an emergency, you should always tell....
the teacher
Which weather instrument is used to measure wind speed?
a) Wind Vane
b) Anemometer
c) Thermometer
b) Anemometer
Energy cannot be created or destroyed, it can only be....
Transformed (Law of Conservation of Energy)
Give one example of a chemical change.
Baking a cake, rusting, digestion, camp fire
Name 2 needs of photosynthesis.
Sun, Carbon Dioxide and Water
Heat transfer through direct contact?
Conduction
Name 1 human activity that could have a negative effect on our environment?
-Gas/oil
-Deforestation
-Buildings (homes and stores)
-Fossil Fuels
PE is always greatest at the lowest or highest point?
Greatest at the highest point.
Name an organelle that is ONLY found in the plant cell.
Cell wall or chloroplasts
Name 2 products of photosynthesis.
Oxygen and glucose (sugar)
Heat transfer through electromagnetic waves?
Radiation
Which two gases, when released into the atmosphere, are believed to contribute most to climate change?
Carbon Dioxide and Methane
The density of an object is 20g/cm3. If you cut it in 1/2 what is the new density?
20g/cm3. Stays the same.
Cytoplasm
It is green.
Heat transfer through gas and liquids.
Convection