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science 1 Stidham

Total questions: 40

Worksheet time: 24mins

Name
Class
Date
1.

A mixture that has visually distinguishable components

a)

homogenous mixture

b)

elemental mixture

c)

heterogeneous mixture

d)

compound mixture

2.

A mixture that appears uniform throughout

a)

homogenous mixture

b)

heterogenous mixture

c)

elemental mixture

d)

compound mixture

3.

What 2 types of matter are pure substances?

a)

elements and compounds

b)

elements and mixtures

c)

mixtures and compounds

d)

atoms and elements

4.

Which form of matter is represented by single argon atoms?

a)

Element

b)

Compound

c)

Mixture

d)

Colloid

5.

Which state of matter is represented by the double oxygen atoms?

a)

Element

b)

Compound

c)

Mixture

d)

Solution

6.

Which form of matter is represented in the image?

a)

element

b)

compound

c)

mixture

d)

solution

7.

Which form of matter is represented by the joined carbon and oxygen atoms?

a)

element

b)

compound

c)

mixture

d)

colloid

8.

The atoms of different elements can join together to form

a)

elements

b)

compounds

c)

mixtures

9.

A substance made from one type of atom. It cannot be changed into anything simpler

a)

element

b)

compound

c)

mixture

10.

consists of 2 or more of the same atoms joined together

a)

elements

b)

compounds

c)

mixtures

d)

molecule

11.

A combination of elements and compounds

a)

elements

b)

compounds

c)

mixture

d)

molecules

12.

This substance represents....

a)

an atom

b)

an element

c)

a compound

d)

a mixture

13.

This substance represents....

a)

an atom

b)

a compound

c)

a mixture

d)

a molecule

14.

This substance represents

a)

a mixture of elements

b)

elements

c)

a mixture of molecules

d)

compounds

15.

This substance represents

a)

a mixture of elements

b)

a mixture of compounds

c)

a mixture of molecules

16.

This substance represents

a)

a mixture of molecules and elements

b)

a mixture of particles and compounds

c)

a mixture of elements and compounds

d)

a mixture of gasses and liquids

17.

Which type of mixture is represented in this image?

(Think: Are the particles spread out evenly throughout, or are the particles chunked together?)

a)

Compound mixture

b)

Heterogeneous mixture

c)

Homogeneous mixture

d)

Elemental mixture

18.

Which type of mixture is represented in this image?

(Think: Are the particles spread out evenly throughout, or are the particles chunked together?)

a)

Homogeneous mixture

b)

Elemental mixture

c)

Heterogeneous mixture

d)

Compound mixture

19.

Which is an example of a heterogenous mixture?

a)

Lucky Charms cereal

b)

cranberry juice

c)

brass metal

d)

salt dissolved in water

20.

Which is an example of a homogenous mixture?

a)

Lucky Charms cereal

b)

salt dissolved in water

c)

orange juice with LOTS of pulp

d)

trail mix

21.

Attraction between water molecules is known as (a)   .

Choose from the below words
Buffer
Adhesion
Hydrogen Bond
Cohesion
22.

Surface tension is the property of water in which...

a)

water molecules at the surface tend to stick together.

b)

water spills easily.

c)

water tends to be see-through.

23.

Refer to the picture of water sticking to a leaf; this is occurring because of:

a)

Adhesion

b)

Cohesion

c)

Compound

d)

Surface Tension

24.

Describe COHESION.

a)

Water molecules attracted to other substances.

b)

Water molecules climbing upwards against the force of gravity.

c)

Water molecules dissolving many substances because of its polarity.

d)

Water molecules attracted to other water molecules.

25.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
26.
tendency of molecules of the same kind to stick to one another
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
27.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
28.
Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?
a)
adhesion
b)
surface tension
c)
solvent properties
d)
nonpolar
29.

Water's ability to stick to glass is

a)

adhesion

b)

cohesion

c)

surface tention

d)

capillary action

30.
What is adhesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
31.

Which of the following is an example of COHESION?

a)

water sticking to water

b)

water sticking to glass

c)

oil sticking to plastic

d)

hydrogen sticking to oxygen

32.

What is the correct chemical formula for water?

a)

H2O

b)

HO2

c)

H2O2

d)

2H1O

33.

Water sticks well to many materials. What term relates to this property of water?

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

34.

A water strider can skate along the top of a pond because:

a)

covalent bonds result in water adhesion (surface tension)

b)

cohesion allows strong hydrogen bonds in water to form below the surface (surface tension)

c)

water striders have adapted to take advantage of water cohesion

d)

water striders are afraid of water and avoid it

35.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
36.

Water sticking to the paper clips is called -

a)
adhesion
b)

cohesion

c)
surface tension
d)
polarity
37.

​ (a)   is water droplets sticking to each other.​ (b)   is water droplets sticking to other surfaces.

Choose from the below words
cohesion
adhesion
38.

Water has good __________ which can be seen when insects and leaves are able to sit on top of water.

a)

synergistic effects

b)

balance

c)

surface tension

d)

photosynthesis

39.

Surface tension is only found in

a)

solids

b)

liquids

c)

gases

d)

plastics

40.

What types of objects are supported by surface tension in water?

a)

small objects

b)

large objects

c)

fast objects

d)

no objects will be supported

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