Test 6 Semester Exam Flashcards Preview

5th Grade Science > Test 6 Semester Exam > Flashcards

Flashcards in Test 6 Semester Exam Deck (56):
1

the metal that is the best conductor of electricity

silver

2

man's most useful metal

iron

3

metal that is liquid at room temperature

mercury

4

metal used as a source for nuclear power

uranium

5

pumice is what kind of rock

igneous rock

6

limestone is what kind of rock

sedimentary

7

mineral used to make pencils

graphite

8

the rarest gemstone

ruby

9

rocklike object that looks like a mudball

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

an animal blending in with its surroundings is an example of

camouflage

16

an immature insect that looks just like the adult

nymph

17

an animal moving from place to place with the changing seasons is an example of

migrating

18

an animal that is active at night

nocturnal

19

an animal that eats mostly meat

carnivore

20

the largest group of mammals

rodents

21

all rodents are plant-eaters, which makes them

herbivores

22

an object that does not allow light to pass through

opaque

23

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

transparent

24

an object that makes its own light

luminous

25

the bouncing back of light

reflection

26

the bending of light

refraction

27

everything that takes up space and has mass

matter

28

the state of matter that has a definite shape

solid

29

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

liquid

30

the tendency of gases to float away and spread themselves out thinly in their surroundings

diffusion

31

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

freezing point

32

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

melting point

33

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

boiling point

34

the boiling point of water

212 degrees F

35

water as a gas

steam

36

kinetic or potential energy: a book on a shelf

potential

37

kinetic or potential energy: a rolling bowling ball

kinetic

38

kinetic or potential energy: a running stream

kinetic

39

kinetic or potential energy: a stretched rubber band

potential

40

kinetic or potential energy: water behind a dam

potential

41

kinetic or potential energy: a swinging baseball bat

kinetic

42

the energy of motion

kinetic energy

43

the result of a force moving an object

work

44

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

atomic energy

45

stored energy

potential energy

46

devices that convert energy from natural sources into useful work

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 obejct.

56

Label the parts of a steam engine.

wheel
connecting rod
piston rod
piston
cylinder