science

HideShow resource information
DNA stand for...
deoxyribonucleic acid
1 of 26
what is adaptation?
the process of change by which an organism or species becomes better suited to its environment. "living in groups is an adaptation to increase the efficiency of hunting"
2 of 26
What is is the symbol for Sodium?
Na
3 of 26
The properties of metals include all but which one of the following
Breaks easily
4 of 26
Which is the chemical property of Carbon dioxide?
Turns lime water milky
5 of 26
Metal + acid -> Salt + ............. gas
Hydrogen
6 of 26
What is the function of respiration in living things?
To get energy out of food
7 of 26
Red supergiants (stars) end their "life" when they collapse and form a:
Supernova
8 of 26
Redshift and the Doppler Effect support the theory that the universe is contracting
False
9 of 26
Alfred Wegner proposed which scientific theory?
Continental drift
10 of 26
A sudden release of strain energy in the Earth's crust resulting in energy waves radiating outwards from the source is called a
Earthquake
11 of 26
The "Ring of Fire" is located in which region?
The Pacific
12 of 26
An element is a pure substance made up of only one type of atom
true
13 of 26
What are the reactants in a neutralisation reaction?
An acid and a base
14 of 26
The charge of a proton is ________
positive
15 of 26
The nervous system and which other system work together for co ordination?
Endocrine
16 of 26
Which answer only contains things from your body's first line of defence?
Hair, skin and mucous
17 of 26
How many neutrons are in potassium-40?
21
18 of 26
What is the electron configuration for Sulfur?
(2,8,6)
19 of 26
What are the coefficients for the following equation when it is balanced? ___SiO2 + ___HF --> ___SiF4 + ___H2O
1, 4, 1, 2
20 of 26
How is a mixture different from a compound?
Components of a mixture can be separated by physical means
21 of 26
If a certain mixture is homogeneous, you would properly conclude that the physical properties and the composition are:
Are the same in every small volume element of the sample
22 of 26
What is the most correct Lewis Diagram for Helium?
He:
23 of 26
Name this compound: 0=0=n-n-0-0
Dinitrogen tetroxide
24 of 26
What is the name for the compound CuOH?
Copper(I) hydroxide
25 of 26
Balance the following: ___BF3 + ___Li2SO3 + ___B2(SO3)3 + ___LiF What will the coefficients be for the balanced reaction?
2, 3, 1, 6
26 of 26

Other cards in this set

Card 2

Front

what is adaptation?

Back

the process of change by which an organism or species becomes better suited to its environment. "living in groups is an adaptation to increase the efficiency of hunting"

Card 3

Front

What is is the symbol for Sodium?

Back

Preview of the front of card 3

Card 4

Front

The properties of metals include all but which one of the following

Back

Preview of the front of card 4

Card 5

Front

Which is the chemical property of Carbon dioxide?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all all resources »