vocabulary
What does flexible mean?
Bendable
Which material would make the STRONGEST tabletop
wood
Why is a transparent material best for a window?
You can see through it clearly.
What is the main property of glass that makes it good for windows?
Transparent (you can see through it).
What does temperature measure?
How hot or cold something is
What does property mean?
Things like color, size, and shape are simple physical properties.
Which material can change shape without breaking:
clay or fabric
Why is wool a good insulator?
it keeps heat in
What is the main property of a mirror?
Smooth and reflective.
Define solid:
It has it's own shape
What does texture mean?
How something feels
Which property helps a ball roll FARTHER on a smooth floor?
Shape
Why is glass not a good material for a playground slide?
It is brittle and can break easily.
What property helps a spoon stay strong when you scoop food?
Strength / durability / hardness
Define liquid
it has no shape
What does insulator mean?
A material that slows or stops heat from passing through.
Why does rubber keep rainwater out better than wool?
Rubber does not absorb water; wool soaks it in.
Why is a sponge better than a paper towel for soaking spills?
A sponge has more pores and absorbs more water.
A material that can bend and return to its shape is called elastic. Give an example of an elastic material.
Rubber band, stretchy fabric, balloon
What does absorb mean?
How something is able to soak up
What does durable mean?
Strong and able to last a long time without breaking
What does observe mean?
To use your senses to notice details.
Why is a paper boat likely to sink after a while?
Paper absorbs water and becomes weak or tears.
Explain the difference between rough and smooth textures.
Rough surfaces feel bumpy and uneven; smooth surfaces feel flat and even.
What does rigid mean?
Not flexible, hard to bend