Page 5 - Science Tour 3
P. 5
Critical thinking Keywords Interact Pages
chlorophyll,
What will happen photosynthesis, Photosynthesis
if there are no carbon dioxide, experiment Lesson 1
plants on Earth? glucose, oxygen 1-6
How can you eat proteins,
a balanced diet carbohydrates,fats, Food pyramid Lesson 2
if you become 7-12
a vegetarian? vitamins, minerals
How can you keep digestion,
your digestive oesophagus, Digestive Lesson 3
small intestine,
system healthy? large intestine, anus system model 13-18
How can you measure length, mass, Temperature
the distance unit,tool, Lesson 4
between two cities? temperature experiment 19-24
potential energy,
How does chemical kinetic energy, Energy
energy change chemical energy, experiment Lesson 5
25-30
into light energy? molecules
What will happen if atmosphere, Gas
there is no atmosphere radiation, nitrogen, experiment Lesson 6
around Earth? respiration 31-36
Why should we inhale, exhale, Respiratory
avoid smoking pharynx, trachea, system Lesson 7
37-42
and smokers? bronchi model
Can you separate physical changes,
substance,
sugar from water Photo project Lesson 8
after mixing them? chemical changes, 43-48
reverse
vertebrates,
What will happen invertebrates,
if you have no Photo project Lesson 9
backbone,
backbone in your body? complex, gills 49-54
Why are cooking pots metals, Metals and
and pans made non-metals, non-metals Lesson 10
of iron or aluminum? iron, mercury experiment 55-60