Science Revision T4 Flashcards
Levels of classification
Kingdom, Phylum, Class, Order, Family, Genus, species
Difference between Heterotroph and Autotroph?
Heterotroph can’t produce own food
Autotroph can produce own food
Phases of the moon?
New moon, waxing crescent, First quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent
What are all the vertebrates?
Mammals, Fish, Birds, Amphibians, Reptiles
How long does it take the moon to orbit the Earth?
27 days, 7hrs, 43 minutes, 11.6 seconds
How long does it take the Earth to go around the Sun?
365 1/4 days
Order of the planets?
Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What are all the invertebrates?
Arthropods, Echinoderms, Annelids, Platyhelminthes, Nematodes, Cnidarians, Porifera, Molluscs
What is an exoskeleton?
A hard outer layer (covers the body of a invertebrate)
How long does it take for the Earth to rotate fully?
24 hours
What creates the seasons?
Axial Tilt
What keeps the moon close to the Earth?
The Earth’s gravitational pull
How can we see the planets at night?
The planets reflect the sun’s light
What causes tides? Explain
The moon’s gravitational pull
What is a lunar eclipse? Explain
An eclipse in which the moon appears darkened as it passes into the earth’s shadow
Position of the Sun, Moon and Earth, in a Lunar Eclipse?
Sun, Earth, Moon
What is the Earth’s axial tilt?
23.5
What is the difference between a rotation and a revolution?
A revolution is when the earth does a full orbit
A rotation is when the Earth spins 360 degrees on its axis
What is a monera?
A single cell
Why do we experience day and night?
The earth’s axis spins the earth so that different parts of the earth experience sunlight at different times. If we are facing the sun its daylight and when we aren’t facing the sun its night
When the water bulges is it a high or low tide?
High tide
Does the light side of the moon travel right to left?
True
