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grade VII winter vacation

Total questions: 75

Worksheet time: 44mins

Name
Class
Date
1.
The basic units of structure and function for both plants and animals are
a)
cells
b)
organs
c)
organ systems
d)
tissues
2.
Joe's little brother finds a balloon in his backyard. The helium in the balloon is a-
a)
Compound
b)
Atom
c)
Element
d)
Mixture
3.
Is air a compound or a mixture?
a)
Mixture
b)
Compound
c)
Neither
d)
It is a compound and a mixture
4.

Name this element.

a)

Si

b)

Cu

c)

Co

d)

W

5.

How about this element?

a)

Fe

b)

I

c)

Li

d)

Al

6.

What do you call the element inside the beaker?

a)

H

b)

Uup

c)

Fe

d)

Hg

7.

Name this element.

a)

Sodium

b)

Selenium

c)

Sumium

d)

Sulfur

8.

Which is the correct symbol for gold?

a)

AU

b)

G

c)

Go

d)

Au

9.

Which is the correct symbol for potassium?

a)

P

b)

Po

c)

K

d)

PO

10.

Which is the correct symbol for magnesium?

a)

MG

b)

Mg

c)

mg

d)

Ma

11.
A material in which electrons are not able to move easily is called _______.
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
12.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
13.
Electric current is measured in ______.
a)
Watts
b)
Volts
c)
Amperes
14.
A pathway for electricity to travel is called___________
a)
current
b)
static electrcity
c)
circuit
d)
circle
15.

The following features are found only in animal cell.

a)

Cell Wall

b)

Chloroplast

c)

Central Vacuole

d)

Lysosome

16.

What is the function of the nucleus?

a)

Power house of the cell

b)

Control center of the cell

c)

Waste collector in the cell

d)

Protein factory in the cell

17.

It provide the cell with energy.

a)

Vesicle

b)

Mitochondria

c)

Nucleus

d)

Vacuole

18.

Jelly-like substance found inside cell that acts as a medium for chemical reactions within the cell.

a)

Cytoplasm

b)

Golgi Body

c)

Nuclear Membrane

d)

Ribosomes

19.

A community of living and non-living things in their natural environment makes up a _______.

a)

Ecosystem

b)

Population

c)

Biosphere

d)

Food Web

20.

An organism that gets energy from eating other organisms is a __________.

a)

Consumer

b)

Decomposer

c)

Prey

d)

Producer

21.

What is the basic unit of life?

a)

Atom

b)

Cell

c)

Organ

d)

Tissue

22.

The first step in the scientific method is to _________.

a)

ask a question

b)

conduct an experiment

c)

form a hypothesis

d)

state the conclusion

23.

What do you call the control center of the cell?

a)

lysosomes

b)

mitochondria

c)

nucleus

d)

ribosomes

24.

What do you call the powerhouse of the cell?

a)

endoplasmic reticulum

b)

vacuole

c)

cell membrane

d)

mitochondria

25.

What do you call this part of microscope?

a)

ocular lenses

b)

eyepiece

c)

base

d)

coarse adjustment knob

26.

Check all the parts that can be seen in an Animal Cell.

a)

Nucleus

b)

Cell Membrane

c)

Mitochondria

d)

Plastids

27.
The solar system consists of the sun, smaller objects, and ...
a)
8 planets and their moons
b)
6 planets 
c)
only moons
d)
more than 100 stars
28.
A giant cloud of dust and gas formed the solar system.
a)
True 
b)
False
29.
They are small and have rocky bodies. 
a)
this describes the inner planets 
b)
this describes the outer planets 
30.
Which is the smallest terrestrial planet?
a)
Mercury 
b)
Mars
c)
Earth
d)
Venus
31.
Saturn's rings are made of chunks of 
a)
volcanoes
b)
ice and rock
c)
nitrogen and helium 
d)
ice and 
32.
Hydrogen and Helium make up the _______.
a)
Inner Planets 
b)
Gas gaints
c)
Middle Planets 
d)
Terrestrial Planets 
33.
Pluto, among others, is known as a ____.
a)
dwarf planet 
b)
planet
34.

1. Which of the following acid is present in sour milk?

a)

Lactic acid

b)

tartaric acid

c)

glycolic acid

d)

citrus acid

35.

Bases taste

a)

sweet

b)

sour

c)

bitter

d)

salty

36.

Which of the following feel soapy on touching?

a)

Acid

b)

Base

c)

Salt

d)

None of these

37.

Litmus is extracted from

a)

curd

b)

grapes

c)

lichens

d)

cabbage

38.

When a drop of vinegar solution is put on the blue litmus paper, it turns

a)

red

b)

purple

c)

yellow

d)

orange

39.

Acid react with base to form salt and _____

a)

water

b)

hydrogen gas

c)

carbon dioxide gas

d)

oxygen gas

40.

Which solution can turn phenolphthalein pink?

a)

Sodium hydroxide

b)

Vinegar

c)

Tomato

d)

Hydrochloric acid

41.

What is the nature of the solution present in the beaker?

a)

Alkali

b)

Acidic

c)

Neutral

d)

Water

42.

Which type of solution is A and B respectively?

a)

Basic and acidic

b)

Acidic and basic

c)

Basic and neutral

d)

Acidic and neutral

43.
What tool do we use to measure temperature?
a)
Thermometer
b)
Ruler
c)
Balance
d)
Magnifying Glass
44.
How do we measure temperature?
a)
In Degrees
b)
In Inches
c)
In Centimeters
d)
In Pounds
45.
Body temperature is 98.6 degrees Fahrenheit.
a)
True
b)
False
c)
Maybe
46.

Select the temperature in °C

a)

40°C

b)

100°C

c)

96°C

d)

36°C

47.

the temperature scale on which water freezes at 0 and boils at 100

a)

Kelvin scale

b)

conduction

c)

Fahrenheit scale

d)

Celsius scale

48.
The ray of light that strikes a reflecting surface is called ________.
a)
incident ray
b)
reflected ray
c)
normal ray
d)
none of the above
49.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
50.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
51.
If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface
a)
45
b)
90
c)
180
d)
none of the above
52.
what is the angle between the incident ray and the normal called as
a)
angle of incidence
b)
angle of reflection
c)
angle of convergent
d)
angle of divergent
53.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
54.

A _______ SOURCE OF ENERGY IS A NATURAL RESOURCE THAT CAN REPLENISHED ITSELF NATURALLY OVER A SHORT PERIOD OF TIME

a)

RENEWABLE

b)

NON RENEWABLE

c)

SOLID, LIQUID AND GAS

d)

SOLID ONLY

55.

A FUEL WHICH FORMED OVER A MILLION OF YEARS BY THE ACTION OF EARTH HEAT IS CALLED

a)

COAL

b)

CHARCOAL

c)

FOSSIL FUELS

d)

FIREWOOD

56.

IT IS USE TO RUN HEAVY VEHICLES AND GENERATORS

a)

PETROL

b)

CNG

c)

DIESEL

d)

LPG

57.

WHAT IS FULL FORM OF LPG ?

a)

LIQUID PETROLEAM GAS

b)

LIQUIDFIED PETROLEAM GAS

c)

LIQUID PETROL GAS

d)

LIQUIDFIED PETROL GAS

58.

WHICH OF THE FOLLOWING IS NOT A SOURCE OF ENERGY ?

a)
b)
c)
d)
59.

Both coal and petroleum are _____________ source of energy.

a)

renewable

b)

Nonrenewable

60.

True or False. The burning of fossil fuels is the biggest source of carbon dioxide emissions.

a)

True

b)

False

61.

Where does coal come from?

a)

Water

b)

The sun.

c)

Fossilized plants.

62.

Which of the following is usable energy obtained from the sun or light.

a)

Wind power.

b)

Oil.

c)

Solar power.

63.

Which type of energy is created by the movement of water caused by tides.

a)

Tidal energy

b)

Wind energy

c)

Geothermal power.

64.

This type of energy is sourced from water driving a water turbine and generator.

a)

Solar

b)

Nuclear

c)

Hydroelectric

65.

Nonrenewable energy sources.

a)

Can not be quickly replaced.

b)

Can be quickly replaced.

66.

Plants, water, sunlight are examples of which type of resource.

a)

Renewable

b)

Nonrenwable

67.
These animals do not have backbones
a)
vertebrates
b)
invertebrates
c)
exoskeleton
d)
pores
68.
This group is made of filter feeders and has lots of pores in its body:
a)
Segmented Worms
b)
Arthropods
c)
Mollusks
d)
Sponges
69.
This group has jointed legs and segmented bodies and exoskeletons:
a)
Segmented Worms
b)
Mollusks
c)
Sponges
d)
Arthropods
70.

Sponges

a)

Are plants

b)

Are plankton

c)

Are found in cold waters

d)

Are filter feeders

71.

A squid is a member of what family that have soft bodies.

a)

Sponges

b)

Crustaceans

c)

Molluscs

d)

Coelenterates

72.

Jellyfish, sea anemone, coral, are part of what invertebrate group

a)

Molluscs

b)

Coelenterates

c)

Sponges

d)

Stingers

73.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
74.
The organism in the picture is a(n)
a)
echinoderm
b)
mollusk
c)
arthropod
d)
cnidarian
75.
In what phylum am I?
a)
Mollusk
b)
Echinoderm
c)
Cnidarian
d)
Annelid

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