GRADE DESCRIPTORS – SCIENCE YEAR 8 AUTUMN 1
Working Scientifically
A/A*
Unicellular organism
Muscles and bones
I can apply my knowledge and understanding to a
range of contexts including unfamiliar situations
I can produce (unaided) precise plans for my
investigations.
I can evaluate my investigations and produce
structured reports.
I can apply my scientific knowledge from other
investigations to plan an investigation (5)
I can explain my conclusions using the evidence
collected and my knowledge and understanding of
science (5)
I can plan (with guidance) investigations. Identifying
key factors that need to be considered (6)
I can present my data clearly and concisely using
graphs with lines of best fit (6)
I can describe how the chemicals in ecosystems are
continually cycling through the natural world.
I can explain and measure muscle strength
I can make the link between blood cells and bones
I can measure lung volume
I can identify the structural adaptations of some
unicellular organisms (5)
I can describe how bacteria reproduce (6)
I can explain the differences between unicellular and
multicellular organisms (6)
I can explain how antagonistic muscle pair work (6)
I can describe the effects drugs have on the body (6)
I can recognise the need for safety precautions (3)
I can carry out a fair test and say which factors need
to be kept constant (3)
I can draw conclusions and relate it to my knowledge
and understanding (3)
I can use a range of apparatus with appropriate
precision and safety (4)
I can interpret my data and begin to explain these
using my scientific knowledge and understanding (4)
I can summarise the carbon cycle and how humans may
affect this
I can observe familiar objects, materials and living
things, and say what they are going to do or have
done (1)
I can compare familiar objects, materials and living
things and predict what might happen (1)
I can suggest how ideas can be investigated and make
predictions about what might happen (2)
I can use appropriate instruments to make
measurements and know when a test is fair (2)
I can recognise familiar objects, materials and living
things and try to say what they are going to do or
have done.
I will attempt to compare objects and materials and
predict what may happen with prompting.
I can appropriate instruments to make
measurements.
With questioning will attempt to know when a test is
fair.
I can name examples of unicellular organisms
I can name the main organs and structures in the
breathing, circulatory and skeletal systems (3)
I can state that some muscles may be stronger than
others
I can describe the functions of the skeleton
I can describe how muscles are involved in gas
exchange across the alveoli (4)
I can describe different types of joints (4)
I can describe methods of measuring the force from
muscles (4)
I can recall the names of some illegal recreational
drugs (4)
I can name only a few of the organs of the breathing
circulatory and skeletal system (1)
I can describe what the heart, lungs and skeleton are
for (2)
I can identify parts of skeletal and muscular system (2)
B/C
E/D
G/F
P Levels
I can with the use of images and questioning name
examples of unicellular organisms.
I can with the use of images or prompting name only a
few of the organs of the breathing circulatory and
skeletal.
I can list the functions of a skeleton with the use of
images or prompts.
I can attempt to describe what the heart, lungs and
skeleton are for.
Breathing and respiration
I can evaluate how well adapted the human gas
exchange system is to its function
I can explain the effects of anaerobic respiration
on the body during and after exercise.
I can relate a model of the lungs to breathing (5)
I can name some substances that move in and
out of cells (5)
I can name some substances that move in and
out of cells (5)
I can recall the word equation for aerobic
respiration (5)
I can describe diffusion (6)
I can relate the structure of the lungs to efficient
gas exchange (6)
I can explain the changes that occur during
breathing (6)
I know the word equation for anaerobic
respiration (6)
I can explain how ventilation occurs with
reference to gas pressure (6)
I can describe the differences between aerobic
and anaerobic respiration in animals (6)
I can describe the functions of some tissues and
organs in the human gas exchange system
I can explain how structures in the human gas
exchange system are adapted to heir functions I
can describe changes in lung volume during
breathing
I can name some tissues and organs in the
human gas exchange system
I can name some tissues and organs in the
human gas exchange system with prompting.