Quiz about Endterm 2 Review Science G8-G9

Question 1

What is the most likely pH of a strong alkali?

Accepted Answer

14

Answer

7

Answer

8

Answer

1

Answer

3

Question 2

What is the correct formula for copper carbonate?

Accepted Answer

$$CuCO_3$$

Answer

CuO

Answer

CuC

Answer

CoC

Answer

$$CuCO_2$$

Question 3

Which of these is a non-contact force?

Accepted Answer

magnetism

Answer

friction

Answer

air resistance

Answer

upthrust

Question 4

Which of these is caused by a lack of vitamin C?

Accepted Answer

scurvy

Answer

rickets

Answer

blindness

Answer

anaemia

Question 5

Give the names of two types of particle that can be found in the nucleus of atoms.

Accepted Answer

Protons

Accepted Answer

Neutrons

Answer

Electrons

Answer

Photons

Answer

Quarks

Question 6

Pathogens can cause diseases in humans. Some parasites such as headlice are not pathogens. What is a parasite?

Accepted Answer

An organism that lives on or in a host organism and benefits by deriving nutrients at the host's expense.

Answer

An organism that helps the host organism by providing nutrients

Answer

An organism that has no impact on the host organism

Answer

An organism that only causes diseases in humans

Question 7

Name the organ responsible for pumping blood around the human body.

Accepted Answer

heart

Answer

stomach

Answer

brain

Answer

liver

Question 8

Blood is transported around the body by arteries, capillaries and veins. What is the main function of veins?

Accepted Answer

to carry deoxygenated blood back to the heart

Answer

to transport oxygenated blood away from the heart

Answer

to regulate blood pressure

Answer

to filter impurities from the blood

Question 9

Blood is transported around the body by arteries, capillaries and veins. Explain why the structures of arteries and veins are different.

Accepted Answer

veins tend to have valves (but arteries do not) to prevent backflow of blood

Accepted Answer

pressure is higher in arteries than veins

Accepted Answer

arteries have thicker walls than veins

Answer

arteries have thinner walls with less smooth muscle and elastic fibers to withstand high pressure from the heart.

Answer

veins have thicker walls with more smooth muscle and elastic fibers as they carry blood back to the heart under higher pressure.

Question 10

This is the symbol for an atom of an element in the Periodic Table.

Choose the number that is the mass number of the atom of element K.

Accepted Answer

39

Answer

19

Answer

20

Answer

58

Answer

78

Question 11

A student is investigating moments. They set up this apparatus.

What is the function of the part labelled X?

Accepted Answer

Pivot point or fulcrum

Answer

Spring mechanism

Answer

Counterweight

Answer

Supporting beam

Question 12

The graph shows the relationship between the mass of an object and its weight on Earth and on the Moon.

State the weight of a 5kg object on the Moon.

Accepted Answer

8N

Answer

7 N

Answer

4 N

Answer

11N

Question 13

When an electric current flows through a coil, a magnetic field is created around the coil. Give some ways in which the strength of the magnetic field can be increased. Choose MORE THAN ONE.

Accepted Answer

more turns on coil

Accepted Answer

more current

Accepted Answer

add (soft) iron core

Answer

decrease the number of coils in the coil

Question 14

What are the units for electrical resistance?

Accepted Answer

ohms

Answer

volts

Answer

amps

Answer

joules

Question 15

What substance is produced during respiration to provide energy for cells?

Accepted Answer

ATP

Answer

TAP

Answer

PAT

Answer

PTA

Answer

TPA

Question 16

When water boils and turns into steam, there are changes in the speed and arrangement of the water particles. Which row of the table shows these changes correctly?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 17

What are the products of the reaction between magnesium and dilute hydrochloric acid?

Accepted Answer

magnesium chloride + hydrogen

Answer

magnesium oxide + hydrogen

Answer

magnesium oxide + water

Answer

magnesium chloride + water

Question 18

This is an image of a coronavirus. This virus can cause disease in humans.

Explain why the coronavirus is not considered to be a living organism. Choose MORE THAN ONE.

Accepted Answer

It is an obligate parasite

Accepted Answer

It needs to occupy a host cell

Accepted Answer

It cannot reproduce independently

Answer

The coronavirus is not considered to be a living organism because it can reproduce rapidly

Question 19

This is an image of a coronavirus. This virus can cause disease in humans.

State one way in which people can develop increased immunity to infection by the coronavirus.

Accepted Answer

Vaccination

Answer

Eating raw meat

Answer

Avoiding handwashing

Answer

Drinking bleach

Question 20

When a metal carbonate reacts with a dilute acid, the products are a salt, water and a gas. Explain how you would show that the gas produced is carbon dioxide.

Accepted Answer

Bubble the gas through limewater (calcium hydroxide solution) and observe the milky precipitate formed.

Answer

Pass the gas through a flame and observe a pop sound

Answer

Mix the gas with water and observe effervescence

Answer

Heat the gas and observe a color change

Question 21

When a metal carbonate reacts with a dilute acid, the products are a salt, water and a gas.

Name the salt that would be formed when copper carbonate reacts with dilute sulfuric acid.

Accepted Answer

Copper sulfate

Answer

Copper nitrate

Answer

Copper chloride

Answer

Copper hydroxide

Question 22

The diagram shows two sound waves, Wave A and Wave B.

State one way in which Wave A and Wave B would sound similar to each other.

Accepted Answer

Same frequency

Answer

Varied wavelength

Answer

Opposite phase

Answer

Different amplitude

Question 23

The diagram shows two sound waves, Wave A and Wave B.

State one way in which Wave A and Wave B would sound different from each other

Accepted Answer

wave A is louder

Answer

wave A is quieter

Answer

wave B is louder

Answer

None of the other choices is correct

Question 24

The diagram of the Periodic Table shows the position of five elements, V, W, X, Y and Z. The letters shown are not the symbols of these elements.

Give the letter(S) of elements that are metal.

Accepted Answer

X

Accepted Answer

V

Answer

Y

Answer

Z

Answer

W

Question 25

The diagram of the Periodic Table shows the position of five elements, V, W, X, Y and Z. The letters shown are not the symbols of these elements.

Give the letters of two elements that are in the same period of the Periodic Table.

Accepted Answer

X

Accepted Answer

Y

Answer

Z

Answer

W

Answer

V

Question 26

The diagram of the Periodic Table shows the position of five elements, V, W, X, Y and Z. The letters shown are not the symbols of these elements.

Give the letters of two elements that will react vigorously with water

Accepted Answer

X

Accepted Answer

V

Answer

Y

Answer

Z

Answer

W

Question 27

Substances such as water can diffuse into and out of cells. A diffusion gradient is needed to allow diffusion to occur. Describe what is meant by the term diffusion gradient.

Accepted Answer

Difference in concentration of a substance between two areas

Answer

The temperature of the environment affecting diffusion

Answer

The size of the molecules involved in diffusion

Answer

The rate at which diffusion occurs

Question 28

The diagram shows two forces acting on a skydiver.

Circle the correct number in the box for the size of the resultant force, in newtons, acting on the skydiver.

Accepted Answer

250

Answer

0

Answer

450

Answer

700

Answer

1150

Question 29

The graph shows how the population of rabbits varies with time.

Which of these would cause the section of the graph labelled X to become less steep?

Accepted Answer

an increase in predator numbers and a decrease in food supply

Answer

a decrease in predator numbers and a steady food supply

Answer

an increase in food supply and a decrease in predator numbers

Answer

an increase in food supply and a decrease in disease

Question 30

Iron metal reacts with oxygen in the air to form iron oxide. The diagram shows pieces of iron placed in two test tubes, X and Y, which both contain air. The test tubes are placed upside down in water to trap the air in the tubes. The iron in tube Y has been painted which prevents the iron coming into contact with the air.

What will happen to the water levels in tubes X and Y after several days?

Accepted Answer

water levels in tubes X: rises

water levels in tubes Y: no change

Answer

water levels in tubes X: falls

water levels in tubes Y: rises

Answer

water levels in tubes X: falls

water levels in tubes Y: no change

Answer

water levels in tubes X: rises

water levels in tubes Y: rises

Question 31

These statements describe what might happen when two electrically charged objects are brought near to each other. Which statement is true?

Accepted Answer

the objects attract each other if one object is positive and the other is negative

Answer

nothing will happen

Answer

the objects attract each other if the charge on each object is negative

Answer

the objects attract each other if the charge on each object is positive

Question 32

A scientist called John Dalton suggested that all matter is made of atoms. Describe how Dalton explained the difference between an element and a compound.

Accepted Answer

Dalton explained that elements are composed of identical atoms, whereas compounds are composed of different atoms combined in fixed ratios.

Answer

Dalton explained that elements are composed of atoms with positive charges, whereas compounds are composed of atoms with negative charges.

Answer

Dalton explained that elements are composed of atoms with varying masses, whereas compounds are composed of atoms with identical masses.

Answer

Dalton explained that elements are composed of different atoms combined in fixed ratios, whereas compounds are composed of identical atoms.

Question 33

State the law of conservation of energy.

Accepted Answer

Energy cannot be created or destroyed, only transferred or converted from one form to another.

Answer

Energy can be destroyed completely

Answer

Energy can be created out of nothing

Answer

Energy can only be converted into matter

Question 34

Four metals, A, B, C and D, are placed in solutions of their chlorides. The table shows if a displacement reaction occurs.

v = reaction, X = no reaction.

Place the letters of the four metals in order from most reactive to least reactive.

Accepted Answer

C-D-A-B

Answer

A-C-D-B

Answer

A-C-B-D

Answer

A-B-D-C

Answer

A-C-B-D

Question 35

A student uses this apparatus to investigate how the launch angle affects the range of a steel ball that is fired from a launcher.

The launch angle is measured with a protractor. Name a piece of apparatus that could be used to measure the range of the steel ball.

Accepted Answer

Measuring tape or ruler

Answer

Compass

Answer

Thermometer

Answer

Stopwatch

Endterm 2 Review Science G8-G9

52 questions

What is the most likely pH of a strong alkali?

The diagram shows an animal cell with two labels, Label 1 and Label 2.
Which correctly identifies Label 1 and Label 2?
Label 1: (a) and Label 2: (b)

What is the correct formula for copper carbonate?

Which of these is a non-contact force?

Which of these is caused by a lack of vitamin C?

Give the names of two types of particle that can be found in the nucleus of atoms.

Pathogens can cause diseases in humans. Draw one straight line from each pathogen to the disease it is likely to cause.

Pathogens can cause diseases in humans. Some parasites such as headlice are not pathogens. What is a parasite?

Name the organ responsible for pumping blood around the human body.

Blood is transported around the body by arteries, capillaries and veins. What is the main function of veins?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Endterm 2 Review Science G8-G9

52 questions

What is the most likely pH of a strong alkali?

The diagram shows an animal cell with two labels, Label 1 and Label 2.Which correctly identifies Label 1 and Label 2?Label 1: ​ (a) ​ ​ and Label 2: ​ (b)

What is the correct formula for copper carbonate?

Which of these is a non-contact force?

Which of these is caused by a lack of vitamin C?

Give the names of two types of particle that can be found in the nucleus of atoms.

Pathogens can cause diseases in humans. Draw one straight line from each pathogen to the disease it is likely to cause.

Pathogens can cause diseases in humans. Some parasites such as headlice are not pathogens. What is a parasite?

Name the organ responsible for pumping blood around the human body.

Blood is transported around the body by arteries, capillaries and veins. What is the main function of veins?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

The diagram shows an animal cell with two labels, Label 1 and Label 2.
Which correctly identifies Label 1 and Label 2?
Label 1: (a) and Label 2: (b)