Bellahouston AcademyS1 Science Homework

Unit 2: Matter

Homework Number % Mark Parental Signature

1234567

Name:Class:

Homework Sheet 1 Mark /10

1. Kelvin and Xavier were doing an investigation on parachutes. One of them suggested that the type of material the parachute was made from had an effect on how long it took to reach the ground. Their results are given in the table below.

(a) Calculate the average time in seconds for each material. (3)

(b) Use the average times to draw a bar chart which shows how the time taken to fall is different for each material. (3)

2. The graph below shows what happens to the mass of solid dissolving as the temperature of the water increases.

(a) How does the temperature of the water affect the mass of solid dissolved? (1)__________________________________________________________________

__________________________________________________________________

(b) What mass of solid dissolves at 15º C? (1)__________________________________________________________________

__________________________________________________________________

(c) At what temperature will 45g of solid dissolve? (1)__________________________________________________________________

__________________________________________________________________

(d) Suggest a title for this graph. (1)__________________________________________________________________ __________________________________________________________________

Homework Sheet 2 Mark /10

1. Use the Wordbank to fill in the blanks about Solids, Liquids and Gases.

HEAT FLOW STAYS CHANGECONTAINER SPREAD SHAPE TEMPERATUR

EMOVE VOLUME PRESSURE OXYGEN

A solid cannot ________. It remains where it is unless something moves it. A

solid always keeps its ____________ and its_____________. Liquids can

___________. A liquid takes up the shape of its______________. The

volume of a liquid______________ the same. Gases can flow.

They______________ out as far as they can. A gas can____________ its

shape and its volume. (4)

2. Look at the diagrams below.

A B C

(a) Which diagram represents a solid? ______________

(b) Which diagram represents a liquid? ______________

(c) Which diagram represents a gas? ______________(3)

3. Look at the diagrams above. Describe how the particles are Arranged in:-

(a) A solid.

______________________________________________________________

______________________________________________________________

(b) A Liquid.

______________________________________________________________

______________________________________________________________

(c) A Gas.

______________________________________________________________

______________________________________________________________ (3)

Homework Sheet 3 Mark /10

1. Winston was studying for his Matter test at school. Unfortunately he got all his notes muddled up. Draw lines to connect the correct statements to the right diagrams.

(3) 2. 50ml of Peas and 50ml of Sand are added together in a Measuring Cylinder. Estimate

the overall volume and fill in the box. Explain your Answer.

______________________________________________________________

______________________________________________________________

______________________________________________________________

(2)

3. The particles in Solids, Liquids and Gases can mix together. What is the name given to this process?

(1)4. Which diagram represents the mixing of two gases?

Answer __________________ (1)

4. Torquil added some diluting orange juice to water without mixing it. The orange juice was at the bottom of the glass and the water at the top. He went to play football and came back an hour later. He noticed that the glass was now all orange.

Complete the diagram to show what happened to the particles in Torquil’s drink.

(1)

5. In the box below, draw a labelled diagram of an experiment you saw showing the diffusion of two gases.

(2)

Homework Sheet 4 Mark /10

1. Complete the table below filling in the correct information.

(6)

2. Use the words in the following table to complete the sentences. You can use the same word more than once.

PARTICLES FAR STAYS CHANGE COMPRESSEDCLOSER VOLUME CLOSE LIQUID DECREASES

In a solid the _____________are very close together. When the solid is

_______________ the particles cannot move any ________________ so the

_______________ does not change. In a ___________________ the

particles are close together. When the liquid is compressed the particles

cannot move any closer so the volume does not ___________. In a gas the

particles are very ___________________ apart.

When the gas is compressed the particles can move closer

so the volume _______________. (4)

Homework Sheet 5 Mark /10

1. Use the Wordbank to fill in the blanks about Solids, Liquids and Gases.

Faster Amounts Filtration Expansion ContractApart Contraction Expand Closer Increase

When Solids, Liquids and Gases are heated they_____________. This

means that the particles move further________________. Heating makes the

particles move_____________. Different substances expand by different

________________. When Solids, Liquids and Gases are cooled down

they____________. This means that the particles move______________

together. This process is called ______________ and it is the opposite

of______________. (4)

2. Describe what is happening in the following situations in terms of Expansion and Contraction.

Hot and Sunny. Wires loose.

Cold and Frosty. Wires tight.

(2)

3. Complete the following sentences using the Wordbank.

Bends Amounts Expands MetalsMelts Straight Plastics Contracts

A bimetallic strip is made up of different ______________ which are joined

together. When it is heated it _____________ because one of the metals

_________________ more than the other. When it cools down, it becomes

_________________ again. (2)

4. Bimetallic Strips have many everyday uses. Write down two common examples of these.

______________________________________________________________

______________________________________________________________

______________________________________________________________

(2)

Homework Sheet 6 Mark /10

1. The density of water is 1g/cm³ at 20˚C. The density of Lithium, Iron, cooking oil and Osmium are 0.53g/cm³, 7.86g/cm³, 0.68g/cm³ and 22.5g/cm³ respectively. Place this information in the table below with appropriate headings and indicate whether they are likely to sink or float in water.

(4)

2. Write the correct names in the boxes provided for the processes indicated by the arrows for each change of state in the Water Cycle.

(2)

3. Draw diagrams in the boxes to show the arrangement of particles at each stage of the Water Cycle.

(2)

3. Marilena was blowing up balloons for her birthday party when she wondered if the air pressure was greater inside the balloon

or outside. Explain which assumption is correct and give your reasons.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(2)

Homework Sheet 7 Mark /10

Fill in the correct word in the table.

(10)