NEW
Font size
S
M
L
XL
WorksheetsReview Test Y7
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
Which of the following is true of all metals?
a)
They react with acids to form Hydrogen
b)
They are denser than water
c)
They conduct electricity
d)
They're silver in colour.
2.
Name the metal which is in liquid state.
a)
Iron
b)
Mercury
c)
Zinc
d)
Aluminium
3.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
4.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
5.
A mixture of different metals is known as
a)
Metal mix
b)
cement
c)
Alloy
d)
atom
6.
What is the hazard shown in this hazard sign?
a)
Explosive
b)
Corrosive
c)
Irritant
d)
High level Irritant
7.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
8.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
9.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
10.
In which of the following, sound wave travels the fastest?
a)
Juice
b)
Metal
c)
Vacuum
d)
Nitrogen
11.
High frequency sounds have _______ pitch
a)
HIgh
b)
Low
12.
__________ is how high or low a sound is.
a)
volume
b)
waves
c)
pitch
d)
vibration
13.
A sound reflection, in which sound bounces off of an object, is called an ___.
a)
eardrum
b)
echo
c)
refraction
d)
sound wave
14.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
15.
Living things too small to be seen with just our eyes
a)
microorganisms
b)
mold
c)
decomposers
d)
soil
16.
Who does the grasshopper get energy from?
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
17.
Who is the producer in this food chain?
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
18.
How many food chains are in this food web?
a)
4
b)
5
c)
6
d)
7
19.
Which microorganisms listed below can be harmful?
a)
bacteria
b)
fungi
c)
protists
d)
all of the above
20.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
Reset
