Term 1 (Chemistry)
What is the basic unit of matter called?
An atom
List the three Boundary types?
Divergent, Convergent and Transformation.
What is energy?
Energy is the ability to do work.
What is the smallest unit of living organisms?
Cells
What force pulls objects toward the centre of the Earth?
Gravity
What is the scientific name for water on the periodic table?
H20
What are tectonic plates?
Massive pieces of the earths lithosphere, which is the rigid outside layer of the planet.
What are three types of energy?
Any three types of energy. E.g. Kinetic, Potential, Thermal, Chemical, Gravitational, Electrical, Light
What is the function of the digestive system?
Breaks down food and absorbs nutrients
What form of energy is stored in both food and fuel
Chemical Energy
What is physical change?
A change in properties such as texture, shape, or state.
What is a sedimentary rock?
A rock formed from sediments which are compacted/cemented together over long periods of time. They form in layers and are grainy.
The stored energy any object has because of it's position in a gravitational field. It depends on mass, weight and position in the field (e.g. height above the Earth's surface)
What is the function of the Nerve Cell
Sends and receives electrical signals around the body.
What do we call a substance made of two or more atoms joined together
What are two indicators of chemical change?
Any two of:
Temperature change
Colour change
Gas produced
forming a precipitate (solid)
Light being produced
Sound being produced
What is an igneous rock?
A type of rock formed from magma, which comes from inside the earths surface.
What is elastic potential energy?
The energy stored in object that has been stretched or squeezed and can return to its original shape
Which body system are glands a part of?
Endocrine System
Which part of a plant cell contains chlorophyll and is where photosynthesis will occur
Chloroplast
In a particle diagram, describe what solids would like like?
They have a fixed shape, they are rigid and they are squished closely together. They vibrate in a fixed position.
What is a metamorphic rock?
Rocks that have been transformed from their original state by intense heat and pressure.
What is Chemical energy?
Energy stored in the bonds of chemical compounds, like atoms and molecules.
List three cell organelles
Any 3 of: Nucleus, Cell membrane, Cytoplasm, Chloroplast, Vacuole, Cell Wall, Mitochondria, Ribosomes, Rough ER, Golgi Apparatus, Nuclear Membrane, Lysosomes
What is the name of the boundary where two tectonic plates move apart?
Divergent plate boundary