WorksheetsWhat was done so far?
Total questions: 16
Worksheet time: 8mins
What are the five things that every scientist does?
speak, discuss, draw conclusions, discover, become famous
draw, chat, experiment, invent, become famous
observe, question, hypothesise, experiment, discover
In the science lab, one must always wear her hair up, wear a lab coat and closed shoes.
True
False
When someone breaks something, one must always tell the teacher so to be safe.
True
False
If you see something on fire, what would you do?
Run as fast as you can to be safe.
Tell the teacher and follow instructions.
Start shouting to inform the others.
Science helps us understand:
why we love each other
how the world around us work
how to earn trust in others
why sometimes we are happy and sometimes we are sad
Another word for man-made materials
natural
plastic
synthetic
false
These are all natural materials.
wool, gold, marble
wool, plastic, wood
wood, sand, rubber
rubber, wool, marble
Chemical reactions give off heat.
False
True
A substance which makes a reaction takes place faster.
Cocoa
Chlorine
Clay
Catalyst
A mixture
a mixture where one substance is dissolved into a liquid, such that it spreads out evenly until all particles are too tiny to see
a combination of two substances which keep their properties and can be easily seperated.
What is the process which can be used to separated solutions?
Condensation
Stirring
Evaporation
Melting
Insoluble materials are those materials which dissolve in water. These can be separated from the liquid by:
sieving
evaporation
filtering
Sievers come in one size.
False
True
Keeps its shape
Liquid
Gas
Solid
Particles close together but they move around and slide against each other.
Liquid
Gas
Solid
This matter is often invisible
Liquid
Gas
Solid
