Junior ScienceB.H. Sanborn, 1921 - 533 σελίδες |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα xi
... What foods give us energy ? What foods make us grow ? What are the minerals in foods ? Why do we need water in the diet ? How do we depend upon plants ? - Exercises . 206 CHAPTER XXI The Cooking and Baking of Foods Why do CONTENTS · xi.
... What foods give us energy ? What foods make us grow ? What are the minerals in foods ? Why do we need water in the diet ? How do we depend upon plants ? - Exercises . 206 CHAPTER XXI The Cooking and Baking of Foods Why do CONTENTS · xi.
Σελίδα xv
... growing ? What are leaves like ? leaves made of ? · plant climb ? work of roots ? What is the work of leaves ? What ... grow ? Why is wheat flour used for yeast bread ? What are the legumes ? - How do legumes capture nitrogen ? Why do ...
... growing ? What are leaves like ? leaves made of ? · plant climb ? work of roots ? What is the work of leaves ? What ... grow ? Why is wheat flour used for yeast bread ? What are the legumes ? - How do legumes capture nitrogen ? Why do ...
Σελίδα xvi
... grow ? Why do we have joints ? What is the skeleton . like ? How do our muscles work ? What is the use of ten- dons ? Is care of the body worth while ? - Exercises and - summary . - CHAPTER XXXVI How Food is Digested What organs digest ...
... grow ? Why do we have joints ? What is the skeleton . like ? How do our muscles work ? What is the use of ten- dons ? Is care of the body worth while ? - Exercises and - summary . - CHAPTER XXXVI How Food is Digested What organs digest ...
Σελίδα xvii
... grow ? -- What is the work of the skin ? What is the value of bathing ? -Exercises and summary . ― ― PAGE 474 485 CHAPTER XXXIX Senses and Habits How can our organs work together ? the brain ? cord like ? - -- - - What is the work of ...
... grow ? -- What is the work of the skin ? What is the value of bathing ? -Exercises and summary . ― ― PAGE 474 485 CHAPTER XXXIX Senses and Habits How can our organs work together ? the brain ? cord like ? - -- - - What is the work of ...
Σελίδα 3
... grows and wanes , why the sun gives off heat ? Did you ever wonder what fire , sound , light , and electricity are , why we have eclipses of the sun and the moon , what lightning is , how soil is formed , why grass is green , how we are ...
... grows and wanes , why the sun gives off heat ? Did you ever wonder what fire , sound , light , and electricity are , why we have eclipses of the sun and the moon , what lightning is , how soil is formed , why grass is green , how we are ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acid ammonia animals bacteria becomes blood body boiling bones bottle breathing bulb burning called candle carbon dioxide carry cause cells cerebrum changed cloth coal cold color cool copper covered digestive dish dry cell earth electric current epidermis evaporate feet fire flame force give glass grow heat hydrochloric acid hydrogen inside iron kerosene kerosene lamp lamp layers learned light rays limewater liquid lungs machine magnet manganese dioxide material melted metal milk moon mouth move muscles needle nerve nitrogen nonconductor object oxide oxygen pass phosphorus piece pipes plants pole potassium chlorate pounds pressure produce pull pump push rock rubbed sal ammoniac salt seeds skin soil solution starch steam stomata stove substances sugar sulphur sunlight surface temperature tissue trees tube vibrations warm weather weight wind wire wood yeast zinc
Δημοφιλή αποσπάσματα
Σελίδα 509 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 402 - THIS is the forest primeval. The murmuring pines and the hemlocks, Bearded with moss, and in garments green, indistinct in the twilight, Stand like Druids of old, with voices sad and prophetic, Stand like harpers hoar, with beards that rest on their bosoms...
Σελίδα 509 - Measures of Length 10 millimeters (mm.) . . . . =1 centimeter cm. 10 centimeters =1 decimeter dm: 10 decimeters =1 meter m. 10 meters =1 dekameter Dm. 10 dekameters =1 hektometer Hm. 10 hektometers =1 kilometer Km.
Σελίδα 509 - Area. 100 square millimeters (sq. mm.) =1 sq. centimeter (sq. cm.). 100 square centimeters = 1 sq. decimeter (sq. dm.). 100 square decimeters =1 sq. meter (sq. m.). 3. Cubic Measure, or Volume. The unit of volume is the liter, which is 1 cu. dm., or 1,000 cc 1,000 cubic millimeters (cu. mm.) = 1 cubic centimeter (cc). 1,000 cubic centimeters =1 cubic decimeter (cu. dm.). 1 cubic decimeter = 1 liter (1.). 10 liters =1 dekaliter (dl.). 10 dekaliters =1 hectoliter (hl.). 10 hectoliters = 1 kiloliter...
Σελίδα 105 - The known principal planets, in order of their distance from the Sun are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
Σελίδα 339 - Levers are divided into three classes: in the first class, the fulcrum ' is between the power and the weight ; in the second class, the fulcrum is...
Σελίδα 86 - The wind arrows show the wind to be moving in a direction opposite to the movement of the hands of a watch (counterclockwise) when it is laid, face up, on the map.
Σελίδα 243 - ... north pole of one magnet will attract the south pole of another, and the south pole of one will attract the north of another ; but the north...
Σελίδα 53 - The oxygen is carried by the blood to all parts of the body...
Σελίδα 331 - In the second class of levers th'e fulcrum is at one end and the power at the other, with the weight between them.