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Friday Quiz

Total questions: 62

Worksheet time: 33mins

Name
Class
Date
1.
What is the hazard shown in this hazard sign?
a)
Fire
b)
Goku
c)
Flammable
d)
Inflammable
2.
What is the hazard shown in this hazard sign?
a)
Explosive
b)
Corrosive
c)
Irritant
d)
High level Irritant
3.
What is the hazard shown in this hazard sign?
a)
Pikachu
b)
Lightning
c)
Electrical
d)
Fault
4.

What does this symbol stand for?

a)

Flammable

b)

Oxidising

c)

Non-flammable

d)

Explosive

5.

Match the symbol to the correlating hazard


EXPLOSIVES

a)
b)
c)
d)
6.

This lab student is wearing her googles and an apron. But what is she doing wrong?

a)

Pointing the test tube toward her while heating it.

b)

She actually is doing everything correctly.

c)

Her loose hair is too close to the fire.

d)

Not paying attention

7.

What does this hazard symbol mean?

a)

Harmless to trees and fish

b)

Harmful to non living things

c)

Harmful to living things

d)

Harmless to non living things

8.

What does this hazard symbol mean?

a)

flammable

b)

oxidising

c)

hot

d)

explosive

9.

What does this hazard symbol mean?

a)

cross

b)

harmful / irritant

c)

sharp

d)

chemical

10.
a)
Poison/Toxic
b)
Bio Hazard
c)
Radioactive
d)
Corrosive
11.

What does this symbol indicate?

a)

Corrosive substances

b)

Wash your hands.

c)

Wear appropriate gloves.

d)

Bacteria are present.

12.

Which symbol means that a substance is acutely toxic?

a)
b)
c)
d)
13.

We should not taste chemical substances as they are

a)

Corrosive

b)

Harmful

c)

Toxic

14.

It is not safe to touch chemical materials as they are

a)

poisonous

b)

Harmful

c)

Corrosive as they burn or damage skin

d)

Oxidizing

15.

Some chemicals cause skin rash as they are ..........

a)

Poisonous

b)

flammable

c)

Irritant

d)

oxidizing

16.

There are (a)   days in a year.

17.

The fourth planet from the Sun is...

a)

Mercury

b)

Mars

c)

Jupiter

d)

Earth

18.

What two things are required for photosynthesis?

a)

Carbon dioxide

b)

Glucose

c)

Oxygen

d)

Water

19.

Where does respiration take place?

a)

Chloroplast

b)

Nucleus

c)

Mitochondria

d)

Vacuole

20.

What is formed during incomplete combustion?

a)

Oxygen

b)

Carbon Monoxide

c)

Carbon Dioxide

d)

Sulphur Dioxide

21.

What is the symbol for helium?

a)

Hy

b)

H

c)

He

d)

Ho

22.

What is the symbol for hydrogen?

a)

Hy

b)

H

c)

He

d)

Ho

23.

What is the symbol for lithium?

a)

L

b)

Lt

c)

Li

d)

Lr

24.

What is the symbol for carbon?

a)

Ca

b)

Cr

c)

Co

d)

C

25.

What is the symbol for nitrogen?

a)

N

b)

Ni

c)

Ne

d)

No

26.

What is the symbol for oxygen?

a)

Ox

b)

O

c)

Og

d)

Oh no

27.

What is the symbol for sodium?

a)

s

b)

So

c)

N

d)

Na

28.

What is the symbol for magnesium?

a)

Mg

b)

Ma

c)

M

d)

Mn

29.

What is the symbol for aluminum?

a)

A

b)

Al

c)

Au

d)

Am

30.

What is the symbol for silicon ?

a)

S

b)

Sl

c)

Si

d)

Sn

31.

What is the symbol for potassium ?

a)

P

b)

K

c)

Po

d)

Ks

32.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
33.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
34.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
35.

This is when a pollen grain combines with an egg in the plant's ovary.

a)

Fertilization

b)

Pollenation

c)

Reproduction

d)

Germination

36.

Which part of the Stamen contains pollen?

a)

Anther

b)

Filament

c)

Ovary

d)

Style

37.

Why are flowers colorful?

a)

It helps photosynthesis

b)

To attract pollenators

c)

Natural camouflage

d)

To regulate temperature

38.

What type of seed dispersal carries lightweight seeds with feathery or wing-like structures?

a)

Wind

b)

Water

c)

Fire

d)

Self-Dispersal

39.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
40.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
41.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
42.
A pattern of eating that includes how much, what, and how often a person eats.
a)
Metabolism
b)
Diet
c)
Calories
d)
Vitamins 
43.
Nutrients that build and repair tissues and cells e.g. meat, milk, eggs.
a)
Fat
b)
Minerals
c)
Vitamins
d)
Protein
44.
A chemical compound made up of one or more simple sugar e.g. bread, rice, pasta
a)
Protein
b)
Water
c)
Fat
d)
Carbohydrates
45.
Elements essential for good health. e.g. Calcium, Iron, Potassium 
a)
Protein
b)
Fat
c)
Minerals
d)
Carbohydrates
46.
The process of breaking down food into a form the body can use.
a)
Diet
b)
Metabolism
c)
Calories
d)
Digestion
47.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
48.
What material would be safest to use as an insulator to cover electrical wires?
a)
rubber
b)
tin
c)
aluminum
d)
water
49.

What is the process of breathing in also called?

a)

Respiration

b)

Exhalation

c)

Combustion

d)

Inhalation

50.

What is the process of breathing out also called?

a)

Respiration

b)

Exhalation

c)

Combustion

d)

Inhalation

51.
a)
Periods
b)
Groups
52.
a)
Periods
b)
Groups
53.
Which organism is best classified as a single-celled organism?
a)
grasshopper
b)
bacteria
c)
pine needle
d)
mole
54.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
55.
dark colored surfaces _________ radiation
a)
reflect 
b)
absorb
56.
dark colored surfaces _________ radiation
a)
reflect 
b)
absorb
57.

Conduction requires

a)

Electricity

b)

the electromagnetic spectrum and particles

c)

air or water flow

d)

direct contact

58.

Heat transfer always moves ...

a)

cold to hot

b)

east to west

c)

hot to cold

d)

north to south

59.

When air is heated, its density ___________.

a)

increases

b)

decreases

c)

remains the same

60.

The diagram shows a refrigerator. The cooling unit is placed at the top. The cooling unit cools the air near it. What happens to the density of the air as it cools, and how does it move?

a)

The density of air increases. It moves down.

b)

The density of air increases. It moves up.

c)

The density of air decreases. It moves down.

d)

The density of air increases. It moves up.

61.

Convection can take place in ____________.

a)

solids only.

b)

liquids only.

c)

liguids and gases only.

d)

solids, liquids and gases.

62.

which one can radiation travel through?

a)

Water

b)

Vacuum

c)

house

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