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REVISION 6

Total questions: 25

Worksheet time: 26mins

Name
Class
Date
1.
Which of the following is NOT an insulator?
a)
Wool
b)
Plastic
c)
Copper
d)
Styrofoam
2.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
3.
If I wanted to heat up a pot of water, what type of bowl should I use to best conduct the heat?
a)
Plastic
b)
Ceramic
c)
Styrofoam
d)
Glass
4.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
5.

The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?

a)

Copper is a conductor of electricity, and plastic is an insulator of electricity.

b)

Copper is an insulator of electricity, and plastic is a conductor of electricity.

c)

Copper is a conductor of electricity, and plastic is an insulator of heat.

d)

Copper is an insulator of electricity, and plastic is a conductor of heat.

6.

You left a cube of ice in a cup. In an hour the ice turned into a clear substance that took on the shape of the bottom of the cup. After a few days there appeared to be nothing in the glass at all. What states of matter did the ice cube go through?

a)

liquid- solid- gas

b)

gas-liquid-solid

c)

solid- liquid- gas

d)

solid-gas-liquid

7.

Evaporation is when

a)

the sun heats up water and turns it into water vapor

b)

water droplets become too heavy and fall from the atmosphere

c)

water gathers in rivers or streams and then flows into the ocean and lakes.

8.

Clouds are mostly made of

a)

snow

b)

dust

c)

water droplets

d)

smog

9.

Condensation is when

a)

the sun heats up water and turns it into water vapor

b)

water droplets become too heavy and fall from the atmosphere

c)

water gathers in rivers or streams and then flows into the ocean and lakes.

d)

water vapor turns into water droplets forming clouds

10.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
11.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
12.

What is the hazard shown in this hazard sign?

a)

Explosive

b)

Corrosive

c)

Irritant

d)

High level Irritant

13.

Many cleaning solutions are bases. Which of the following is a common property among basic solutions?

a)

slippery feel

b)

white color

c)

salty taste

d)

sour taste

14.
A constellation is a group of visible ____ that form a pattern when viewed from Earth.  
a)
planets
b)
stars
c)
patterns
d)
creatures
15.
The constellation pattern may take the shape of an ___, ___, ____, ___, or object such as a crown or compass.
a)
planets, stars, animals, people
b)
stars, animals, people, man
c)
man, animals, stars, planets
d)
animal, mythological creature, man, woman, 
16.
The stars we see in each constellation are very close to us.
a)
True
b)
False
17.
As the earth rotates on its axis, the constellations and stars in them appear to _________.  
a)
move across the sky
b)
stand still in the sky
c)
move around each other
d)
rotate
18.
People in the Northern Hemisphere do see the same constellations as the people in the Southern Hemisphere.
a)
True
b)
False
19.
Ursa Major is also called “Great Bear” and is one of the largest constellations.  
a)
True
b)
False
20.
The sky is divided into ____ constellations.
a)
11
b)
22
c)
44
d)
88
21.

The examples of extinct animals are:(more than 1 answer)

a)

Tyrannosaurus Rex

b)

Dodo bird

c)

Tiger

d)

Tapir

22.

Which are the animals are threatened with extinction?(more than 1 answer)

a)

Dugong

b)

Panda

c)

Elephant

d)

Dodo bird

23.

These animals went extinct because sailors hunted them while their eggs eaten by rats and cats. What is the animal?

a)
b)
c)
d)
24.

Which of the following is a herbivore animal ?

a)
b)
c)
d)
25.

Which of the following the correct food chain ?

a)

Snake →\rightarrow eagle →\rightarrow rat →\rightarrow Paddy plant

b)

Snake \rightarrow eagle \rightarrow paddy plant \rightarrow rat

c)

Eagle \rightarrow snake \rightarrow rat \rightarrow Paddy plant

d)

Paddy plant \rightarrow rat \rightarrow snake \rightarrow eagle

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