Matter
Matter is made up of tiny particles called ______
atoms
What does it mean if something is elastic?
Material returns to original shape after you bend or stretch it
What do we measure mass with?
A scale?
Swim
Swam
Throw
Threw
Atoms can join together in groups called ________
molecules
What is a natural material? What´s a human-made material? Give an example of each.
A natural material is a material made by nature. Examples include sand, iron, gold, cotton, coal, wood, wool, silk and leather.
A human-made material is made by humans and includes things like glass, metal, paper, plastic, concrete, and plastic.
Mass is measured in what?
grams (g) and kilograms (kg)
1000 g = 1 kg
Take
Took
Win
Won
Matter is everything that has _____ (kg) and _____ (l)
Mass and volume
What is soluble and insoluble? (Hint: It has to do with water)
Soluble materials dissolve when mixed with water.
Insoluble materials do not dissolve when mixed with water.
How do we measure the volume of an object?
It´s measured in _____ (ml) and ____ (l)
Measuring cylinder
Millilitres and litres
1000 ml = 1 l
Spend
Spent
Write
Wrote
True or false: Pure elements are hard to find.
True
What´s the difference between transparent, translucent and opaque materials?
Transparent materials let light pass through them.
Translucent materials let some light pass through them.
Opaque materials don´t let any light pass through them.
What is density?
How do we calculate the density of an object?
Density is the concentration of matter in a particular volume.
We calculate the density of an object by dividing the mass by its volume.
Teach
Taught
Can
Could
What is a pure element? Give an example.
What is a mixture?
Pure elements are materials made of only one type of atom like carbon, oxygen, iron, copper, silver or gold.
A mixture is materials that are made from a mixture of atoms or molecules.
What has a fixed shape and volume?
What has a fixed shape but not a fixed volume?
What has neither fixed shape or volume?
Solid
Liquid
Gas
Tell
Told
Say
Said