Ecosystems
What are 3 essential things we NEED from an ECOSYSTEM?
Water, Clean Air, and Food / Shelter
The amount of matter in an object is called : _________ .
Mass.
True or False : Simple machines have got many parts.
False.
True or False : Multicellular organisms have got more than one cell.
True. and Unicellular organisms have got one cell.
Can you name an example of a unicellular organism?
Bacteria, Algae
How have polar bears adapted to live in a very cold environment?
They have thick fur and layers of fat.
What are the 3 states of matter?
Solid, Liquid, Gas
What are 2 examples of non-contact forces (action-at-a-distance forces) :
Gravity and Magnetism.
Parts of a plant : What part of the plant holds it in the soil and absorbs water and minerals.
Roots.
Hydropower Energy, Solar Energy, Wind Energy, Biomass Energy, Geothermal Energy .
What is a habitat?
A place where living organisms live that has the ideal environmental conditions for survival.
What are the very small particles that are the basic building blocks of all matter?
Atoms.
Explain the difference between a simple machine and a complex machine :
A simple machine hasn't got many parts, and a complex machine has got many parts.
Parts of a cell : What is the name of the part of the cell that controls everything ? (The brain of the cell)
Nucleus.
What are 4 different forms of energy :
Light Energy/Thermal Energy, Mechanical Energy, Chemical Energy, Electrical Energy.
What does a decomposer do in a food chain?
They transform dead or decaying organisms into simple substances and return it to the earth. (eat dead or decaying organisms)
What are the 2 types of mixtures called:
Homogeneous Mixtures and Heterogenous Mixtures
Complete the definition : A _______ is an action that makes an object move or change its direction.
Force.
What are the 3 vital functions all living organisms perform ?
Nutrition, Interaction, Reproduction
Parts of a Flower : What is the name of the FEMALE part of a flower?
Pistil.
Why are plants and algae called producers in a food chain?
They produce (make) their own food through photosynthesis.
What are the 4 physical processes matter can change through : Melting ,
Melting , Solidification, Condensation, Evaporation
Can you list 4 types of simple machines :
Wheel, Lever, Pulley, Ramp, Screw, Wedge
- Living organisms are classified into _____ kingdoms.
- Can you name at least 3 of the kingdoms?
5 Kingdoms : Fungi, Animalia, Plantae, Protista, Monera.
What are the names of the 3 types of rocks found in nature :