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The effects of heat
EduBook Organización
- 1673 visitas
Heat increases the temperature of objects. They increase in volume when they dilate and reduce in volume when they contract. Increase in temperature When objects heat up, the amount that they increase…
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The outer layer of the Earth
EduBook Organización
- 3156 visitas
1.1. The structure of the Earth The Earth is a huge sphere. It can be divided into three large sections: The deepest part is the core. It is 15% of the planet's total volume. The core is part solid…
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Avaliación final T02 10 - A materia: volumen, masa e densidade
EduBook Organización
- 4838 visitas
Unha lata de refresco baleira ten unha masa de 25 g. Cando está chea de refresco, a masa total é de 300 g. Sabendo que o volume da lata é de 250 mL, calcula a densidade do refresco.
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Calculate. Upthrust and buoyancy in liquids
EduBook Organización
- 4615 visitas
Calculate, in kilograms per cubic meter and in grams per cubic centimeter, the density of an object of 20 kg and 10 dm3 volume. d = kg/m3 d = g/cm3
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Sound
V&V Books Vicens Vives Organización
- 5271 visitas
This simulation lets you see sound waves. Adjust the frequency or volume and you can see and hear how the wave changes. Move the listener around and hear what she hears.
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Check. Upthrust and buoyancy in liquids
EduBook Organización
- 4434 visitas
Remember what you have studied in this section and answer the questions: Why do objects float or sink? Discuss. Calculate the density of an object with mass 20 g and a volume of 10 cm3.
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Clasifica. A función de relación nos animais
EduBook Organización
- 3907 visitas
Indica de que tipo de estímulo se trata en cada caso: físico ou químico. Son: volume, timbre. Tacto: presión, intensidade. Olfacto: diferentes compostos, intensidade. Visión: cor, forma,…
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Did you know?
EduBook Organización
- 3267 visitas
The density, d, of an object shows the relationship between the mass, m, of the object and its volume, V: d = m / V The SI unit of density is kg/m3, but g/cm3 and g/dm3 are also used.
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British and metric conversions
Tiching explorer Organización
- 4832 visitas
In this unit we learn how metric and English symbols are used to measure and express mass, length, volume and temperature. At the end of the unit, we can do a test to check our knowledge.
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Autoavaliación 10.08 - As forzas
EduBook Organización
- 2937 visitas
Calcula a densidade dun obxecto de 60 kg de masa que ten un volume de 30 dm3. Expresa o resultado en quilogramos por metro cúbico e en gramos por centímetro cúbico. d = kg/m3 = g/cm3
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