Deep Sea Miner
In which state of matter are the particles arranged in a regular way?
Solid
Name three things animals compete for
Food
Water
Space
Mates
What will renewable energy sources never do?
run out
Give an example of physical digestion
Stomach churning food
In which state of matter are the particles far apart and moving at random speeds?
Gas
Name 3 things plants compete for
Light
Space
Water
Minerals
What device can be used to measure heat?
Thermometers
Proportions of nutrients
Which two states of matter can flow?
Gases and liquids
What do we call animals that eat plants?
Herbivore
What happens during condution?
Particles collide into others when they vibrate.
Give four examples of problems with being overweight
Heart disease
Stroke
Diabetes
Some cancers
Which state of matter can be compressed?
Gas
What P is a word that describes green plants?
Producer
Which 3 ways can thermal energy be transferred?
conduction, convection and radiation
What do we call lipids?
Fats
What do we call the change in state from a liquid to a gas? (2 answers)
Evaporation
Boiling
Pesticides and heavy metals can build up in a food chain. What do we call this? (B)
Bioaccumulation
Give 3 examples of fossil fuels
coal, oil and gas
Bacteria live on what in your large intestine
Fibre
What do we call the change in state from gas to a liquid?
Condensation
Ecosystem
What does the law of conservation of energy state?
energy cannot be created or destroyed
Give three examples of enzymes
Protease
Lipase
Carbohydrase
What happens to the temperature of substance when it melts or boils?
Stays the same
What do we call it when no more of a species are alive?
Extinction
What does renewable energy create when being built?
Greenhouse gases
What colour does Iodine turn if starch is present?
Blue black
What do we call substances that are chemically combined?
Compounds
How do we know animals in the past have gone extinct?
Fossils
Radiation can be ____ or ____ . Fill in the blanks
Absorbed and reflected
What colour does Benedicts go if sugar is present?
Red
What do we call the spreading out of particles in a liquid or a gas?
Diffusion
What does a gene bank store?
DNA
What is energy measured in?
Joules (J)
What colour does Biuret turn if protein is present?
Purple
What is sublimation?
The change from a solid directly into a gas
What is a community?
The animals that live in an ecosystem
As we add heat to things, particles gain more what?
kinetic energy
What name do we give to a biological catalyst?
Enzyme