Science Revision Flashcards
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- What does Habitat mean?
- habitat is the are in which an animal lives in, it is the animals surroundings
- Name three facts on Acids
- Acids have a low pH, Acids taste sour and Acids can be corrosive
- How does sound travel throw something?
- It vibrates through
- Is CO2 and element or compound?
- compound
- When two identical elements combine, does the name change?
- no, not at all
- How many seasons has each year got?
- four seasons
- What does Variation mean?
- It means differnces between organisms
- Name the three types of joints
- Immovable, Slightly movable and Freely movable
- Is Ethanoic acid an Alkalis or an Acid?
- Its an Acid
- When two elements combine, what are the three letters that are usually at the end of the products name?
- the three letters are "ide"
- Name the eight types of energy, heat and temperature are different so they dont count
- Electrical, Light, Sound, Kinetic, Thermal, Gravitational Potential, Elastic and Chemical
- What are the three essential minerals needed by plants?
- NPK - Nitrates, Phosphates and Pottasium
- Name the four parts of the blood
- Red cells, White cells, Plasma and Platelets
- An animal cell and plant cell both have three factors in common. Name them.
- A Nucleus, Cytoplasm and A Cell Membrane
- Name three types of weathering
- Physical, Chemical and Biological
- Is number 2 in the pH scale an acid or an alkali?
- an Acid
- Heat can be transferred in three distinctive ways. what are they?
- Conduction, Convection and Radiation
- Name 6 propeties of metals
- Metals are ductile, Metals conduct electricity, Metals have high densities , metallic oxides are basic, metals are mallebale and Metals are Sonorous.
- Name eight energy resources
- Coal, Oil, Gas, Biomass, Food, Wind power, Wave power and Batteries.
- What are the four factors that affect Photosynthesis?
- Light, Water, Temperature and CO2 levels
- Name three types of blood vessels
- Arteries, Capillaries and Veins
- There are seven things that all living organisms do, they are called life processes. An organism is only alive if it does all seven. Name all seven.
- Movement, Reproduction, Sensitivity, Nutrition, Excretion, Respiration and Growth
- Name the nine major organ systems of the human body
- Digestive, Respiratory, Excretory, Circulatory, Reproductive, Nervous, Endocrine, Skeletal and Muscle
- Name the three different tpes of rock
- Igneous, Sedimentary and metamorphic
- Name three facts on Alkalis
- Alkalis have a high pH, Alkalis often feel soapy and Alkalis are soluble bases
- Energy can be transferred from one type to another. What energy can be transferred from Chemical?
- Heat, Kinetic and Chemical
- What makes a compound a compound?
- a compound becomes a compound when it contains two or more elements joined up.
- Name the nine planets in our solar system
- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
- Name the three factors which population sixe is affected by
- Adaptation, Competition and Predation
- Name three ways in which White blood cells attack Microbes
- They eat (engulf) microbes, they produce antibodies and they neutralise the poisons or toxins
- Name the five specialised cells in an organism
- Sperm cell, Ovum cell, palisade cell, Ciliacell and the root hair cell
- Is white light a single colour?
- no its not
- Name the four main uses of satellites in space.
- Communication and Navigation, Monotoring the weather, Observing the Earth and Exploring the solar system.
- What are food chains?
- they show what is eaten by what
- What are Bacterias and Viruses?
- They are tiny microbes, Viruses are smaller than Bacterias
- There are three factors that only plants have. Name them.
- A cell wall, Vacuole and Chloroplasts
- What number in the pH scale is neutral?
- number 7
- Is Sodium Hydroxide an Alkalis or an Acid?
- Its an Alkali
- What does a dispersal of white light give ?
- A spectrum
- When three or more differnt elements combine and one of those is oxygen, what will the three last letters of the final product be?
- the three last letter swill be "ate"
- How long does it take for the Earth to orbit around the sun once?
- 365 and 1 quarter days
- What is selective Breeding?
- This is where humans try to develop partivular varities of plants or animals with favourable characteristics
- How many days does the menstrual cycle take?
- 28 days