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LIVING THINGS
ANIMALS
Vertebrates
Amphibians
Birds
Fish
Mammals
Reptiles
Invertebrates
Arthropods
Molluscs
Other invertebrate groups
Sea anemone
Reproduction, offspring and extinction
Viviparous vs. oviparous
Herbivores vs. carnivores vs. omnivores
Animals coverings
Warm-blooded vs. cold-blooded animals
PLANTS
Grasses, bushes, and trees
Deciduous trees vs Evergreen trees
Flowering plants vs Non-flowering plants
Parts of a plant
Parts of a flower
Photosynthesis
Plant reproduction
Plant-Environment interactions
Cell, tissue, organ, system, and organism
Kingdoms: Monera, Protist, Fungi, Plant, and Animal
HUMANS
The cell
The circulatory system
The heart
The blood
Types of blood vessels: arteries, veins, and capillaries
The digestive system
Teeth
Look after your teeth
The excretory system
The locomotor system
Bones
Largest and smallest bones in the human body
Types of bones: short, long and flat
Calcium and bones
The human skeleton
Joints
Flexible, semi-flexible and fixed joints
Muscles
Types of muscles: voluntary and involuntary
Muscles in the arms
Muscles in the chest
Muscles in the face
Muscles in the legs
Muscles in the shoulders and back
How do muscles move bones? Contracting and relaxing
The nervous system
Neurons
The senses
The brain
The spinal cord
The nerves
The reproductive system
The male reproductive system
The female reproductive system
Human reproduction and childbirth
The respiratory system
NUTRITION
Food groups
Nutrients
A healthy, balanced diet
HEALTH
Feelings and emotions
Healthy habits
Unhealthy habits
First aid
EARTH
Water
Saltwater and freshwater
Drinking water and non-drinking water
Save water. Don’t waste it.
The water cycle
Iguazu Falls
Air
Wind
Weather
Weather instruments
Weather forecast
Landscapes
Mountain landscapes
Parts of a mountain
Flat landscapes
Coastal landscapes
Rivers
Habitats
Arctic region
Savannahs
Deserts
Tropical rainforests
Temperate forests
Water habitats
The food chain
MATTER
Matter, mass, and volume
States of matter: solid, liquid, and gas
Physical and chemical changes in matter
Mixtures: heterogeneous vs homogeneous
Separating mixtures
Properties of materials
Effects of heat on matter
FORCES
Gravity
Magnetism
ENERGY and MACHINES
Energy
Contact
NATURAL SCIENCE #2
Level 2: INTERMEDIATE | 3rd & 4th grade
Muscles in the legs
In the
legs
there are
biceps
,
quadriceps
and
calf muscles
.
These muscles help us
jump
,
walk
and
run
.
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NATURAL SCIENCE #2
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NATURAL SCIENCE #2