Name 3 types of renewable energy source.
Solar Panels
Wind Turbines
Hydroelectric Dambs
In a chemical reaction, the reactants undergo a reaction and are transformed into........
the products.
What type of organism is the first part of any food chain or foood web?
Green Plants
What is the difference between renewable and non-renewable energy sources?
Renewable energy does not rely on a limited resource.
Name 3 signs that a chemical reaction has taken place.
Change in Colour
Change in Temperature
Gas/bubbles producedWhat is the name of the process where plants remove carbon dioxide from the air and use it produce food and oxygen?
Photosynthesis
Choose a renewable energy source. Tell me one advantage and one disadvantage.
Solar
Cheap to set up
Not always sunny
What is the name given to a reaction that gives off heat?
Exothermic Reaction
Name 3 ways that Carbon Dioxide is released into the atmosphere.
Burning Fossil Fuels
Animal Respiration
Decomposing Organisms
How does heat transfer from the Sun to the Earth?
Radiation
Name 3 ways in which you could speed up the rate of a chemical reaction.
Add a Catalyst
Increase Temperature
Increase Concentration
Food chains and food webs are used to show the flow of .......
Energy from one organism to another.
Look at the Graph: How much heat energy is in the iron at 35 degrees celcius?
129 kJ
What are the products formed when copper carbonate reacts with nitric acid?
Copper Nitrate, Carbon Dioxide and Water
What process would you use to compare the distribution of plants in a changing ecosystem?
A Line Transect