Test 6, Ch. 1-6, Semester Exam Flashcards Preview

5th Science > Test 6, Ch. 1-6, Semester Exam > Flashcards

Flashcards in Test 6, Ch. 1-6, Semester Exam Deck (56):
1

Which metal is the best conductor of electricity?

silver

2

Which is man's most useful metal

Iron

3

which metal is liquid at room temperature

mercury

4

which metal is used as a source for nuclear power

uranium

5

pumice is an _____ rock

igneous

6

limestone is a _____ rock

sedimentary

7

what mineral is used to make pencils

graphite

8

what is the rarest gemstone

ruby

9

a rocklike object that looks like a mudball is called

geode

10

force that resists motion

friction

11

attraction that exists between any pair of objects

gravity

12

force that causes electrically charged objects to either attract or repel each other

electricity

13

push or pull

force

14

amount of matter in an object

mass

15

When an animal blends in with its surroundings, this is an example of

camouflage

16

An immature insect that looks just like the adult is called a

nymph

17

When an animal moves from place to place with the changing seasons, this is an example of

migrating

18

An animal that is active at night is

nocturnal

19

An animal that eats mostly meat is a

carnivore

20

The largest group of mammals is the

rodents

21

All rodents are plant-eaters, which makes them

herbivores

22

An object that does not allow light to pass through it is

opaque

23

If light can pass straight through an object, that object is

transparent

24

An object that makes its own light is

luminous

25

The bouncing back of light is

reflection

26

The bending of light is

refraction

27

Everything that takes up space and has mass is called

matter

28

The state of matter that has a definite shape is

solid

29

the state of matter that has no definite shape and flows from one place to another is

liquid

30

The tendency of gases to float away and spread themselves out thinly in their surroundings is called

diffusion

31

the point at which a solid changes into a liquid is called its

melting point

32

The point at which a substance changes from a liquid to a solid state

freezing point

33

the point at which a substance changes from a liquid to gas is called its

boiling point

34

The boiling point of water

212 degrees F

35

Water as a gas is called

steam

36

type of energy, kinetic or potential:
a book on a shelf

potential

37

type of energy, kinetic or potential:
a rolling bowling ball

kinetic

38

type of energy, kinetic or potential:
a running stream

kinetic

39

type of energy, kinetic or potential:
a stretched rubber band

potential

40

type of energy, kinetic or potential:
water behind a dam

potential

41

type of energy, kinetic or potential:
a swinging baseball bat

kinetic

42

The energy of motion is ____ energy

kinetic

43

The result of a force moving an object is

work

44

The energy that is released when atoms are either split apart or joined together is ____ energy

atomic

45

Stored energy is called _____ energy

potential

46

Devices that convert energy from natural sources into useful work are called

engines

47

fish that looks like a snake

moray eel

48

mammal that looks like a fish

whale

49

largest flying bird

wandering albatross

50

most poisonous fish

stonefish

51

mollusk with two shells hinged together

bivalve

52

"wing-footed"

pinniped

53

small crustacean; scavenger

shrimp

54

reefs are made from these

coral polyps

55

Explain what a transfer of energy is and give an example.

A transfer of energy happens when one object gives some or all of its energy to another object. Example - the engine in a car produces energy & transfers it to the car by moving it forward or backwards.

56

Label the parts of a steam engine.

wheel, connecting rod, piston rod, piston, cylinder