Primary Checkpoint. 2026. Science (0097). May - Paper 1

The diagram shows part of an organ system in the human body.



**(a)** Circle the correct name of this organ system.

The diagram shows part of an organ system in the human body.



**(b)** Two different types of blood vessel are labelled on the diagram.

Name the **other** type of blood vessel.

The table shows some properties of different substances.

| substance | melting point in °C | boiling point in °C | compressible | has a fixed shape |
|:---:|:---:|:---:|:---:|:---:|
| **A** | −218 | −183 | yes | no |
| **B** | −101 | −34 | yes | no |
| **C** | 0 | 100 | no | no |
| **D** | −7 | 59 | no | no |
| **E** | 113 | 445 | no | yes |

**(a)** Identify **all** the substances in the table that are a gas at 20 °C.

The table shows some properties of different substances.

| substance | melting point in °C | boiling point in °C | compressible | has a fixed shape |
|:---:|:---:|:---:|:---:|:---:|
| **A** | −218 | −183 | yes | no |
| **B** | −101 | −34 | yes | no |
| **C** | 0 | 100 | no | no |
| **D** | −7 | 59 | no | no |
| **E** | 113 | 445 | no | yes |

**(b)** Write down **one other** property of a gas **not** in the table.

The table shows some properties of different substances.

| substance | melting point in °C | boiling point in °C | compressible | has a fixed shape |
|:---:|:---:|:---:|:---:|:---:|
| **A** | −218 | −183 | yes | no |
| **B** | −101 | −34 | yes | no |
| **C** | 0 | 100 | no | no |
| **D** | −7 | 59 | no | no |
| **E** | 113 | 445 | no | yes |

**(c)** Identify the substance with the highest melting point.

The table shows some properties of different substances.

| substance | melting point in °C | boiling point in °C | compressible | has a fixed shape |
|:---:|:---:|:---:|:---:|:---:|
| **A** | −218 | −183 | yes | no |
| **B** | −101 | −34 | yes | no |
| **C** | 0 | 100 | no | no |
| **D** | −7 | 59 | no | no |
| **E** | 113 | 445 | no | yes |

**(d)** Calculate the difference between the melting point and boiling point of substance **D**.

(answer in °C)

The table shows some properties of different substances.

| substance | melting point in °C | boiling point in °C | compressible | has a fixed shape |
|:---:|:---:|:---:|:---:|:---:|
| **A** | −218 | −183 | yes | no |
| **B** | −101 | −34 | yes | no |
| **C** | 0 | 100 | no | no |
| **D** | −7 | 59 | no | no |
| **E** | 113 | 445 | no | yes |

**(e)** Complete the sentence.

At its boiling point, a substance changes state from a ________ to a ________ .

This question is about mass and weight.

**(a)** Tick (✓) **two** correct sentences.

| sentence | tick (✓) |
|---|:---:|
| Mass is the amount of matter measured in kg. | ☐ |
| Mass is the amount of matter measured in N. | ☐ |
| Mass is the force of gravity measured in kg. | ☐ |
| Weight is the amount of matter measured in N. | ☐ |
| Weight is a force measured in kg. | ☐ |
| Weight is a force measured in N. | ☐ |

This question is about mass and weight.



**(b)** Mike measures the weight of an object.

Circle the equipment he uses to measure weight.

(The letters A–D are added to help you answer online.)

The diagram shows part of the rock cycle.



Complete the labels on the diagram.

Choose words from the list.

**erosion** · **melting** · **metamorphism** · **solidification**

(Write the label for each empty box: after volcanic eruption → igneous rock; igneous rock → sediment ('weathering and ...'); sedimentary rock → metamorphic rock; metamorphic rock → magma.)

The diagram shows a food web.



**(a)** How many carnivores are in this food web?

The diagram shows a food web.



**(b)** Write down one food chain from this food web that contains **five** living things.

___ → ___ → ___ → ___ → ___

The diagram shows a food web.



**(c)** What is the energy source for this food chain?

Priya investigates how the temperature of water affects the mass of sugar that dissolves in 100 cm³ of water.

Look at the graph of her results.



**(a)** Priya has only labelled one axis on the graph.

Complete the label for the **other** axis on the graph.

________ in ________

Priya investigates how the temperature of water affects the mass of sugar that dissolves in 100 cm³ of water.

Look at the graph of her results.



**(b)** Priya has an anomalous result.

Use the graph to predict the correct mass of sugar for this anomalous result.

(answer in g)

Priya investigates how the temperature of water affects the mass of sugar that dissolves in 100 cm³ of water.

Look at the graph of her results.



**(c)** The diagram shows some different equipment.

Circle the equipment Priya uses to accurately measure 100 cm³ of water.

(The letters A–E are added to help you answer online.)

Look at the force diagram for a moving car.



Complete the labels on the force diagram.

Choose from this list:

**air resistance** · **applied force** · **friction** · **upthrust** · **weight**

(The car faces left. Empty boxes: one by the large arrow pointing left, one by the arrow pointing down, two by the arrows pointing right.)

Malaria is a disease transmitted when people are bitten by insects.

The bar chart shows the number of people with malaria in one country.



**(a)** Describe the pattern that the bar chart shows.

Malaria is a disease transmitted when people are bitten by insects.

The bar chart shows the number of people with malaria in one country.



**(b)** How many people had malaria in 2018?

Malaria is a disease transmitted when people are bitten by insects.

The bar chart shows the number of people with malaria in one country.

**(c)** Describe **two** ways to avoid getting malaria.

1 ________

2 ________