Solids
What is one property of a solid?
(What is one thing that makes it a solid?)
They maintain their shape OR
They cannot be poured.
Which is a property of a liquid?
a) They never change shape.
b) They take the shape of the container.
c) They cannot be poured.
b) They take the shape of the container.
What does opaque mean?
You can't see through it, OR
no light can pass through it OR
it's not transparent.
What can cause ice to change from a solid into a liquid?
When it is heated OR
when ice-melting products (like salt) are applied to it.
What does a skull and crossbones symbol mean?
poisonous
Which solids are found in the built environment?
a) walls
b) tables
c) sand
a) walls AND
b) tables
Is tree sap made in the natural or built environment?
It comes from the natural environment.
Which liquid is translucent?
a) water
b) chocolate milk
c) apple juice
c) apple juice
(translucent means you can see something through it but it's not completely clear)
How can you dissolve a solid into a liquid?
Stir it. OR
Heat it up OR
Break it into smaller pieces.
There is freezing rain falling. What might happen?
Roads and sidewalks might be slippery which could cause accidents. OR
Ice on power lines could cause the electricity to go out. OR
Ice on trees could cause harm.
Which solid is found in the natural environment?
a) sand
b) tables
c) walls
a) sand
Which liquid is opaque?
a) water
b) chocolate milk?
c) apple juice
b) chocolate milk
Opaque means you cannot see through it.
Which material is the most absorbent?
a) paper towel
b) plastic
c) tin foil
a) paper towel
(absorbent means to be able to soak up)
Can you mix a liquid and a solid? Give an example of this.
Yes - water and salt or sugar.
How can you protect yourself from a corrosive substance?
Corrosive materials are harmful to you skin so you need to wear gloves.
Yes. Coffee granules and sugar. OR
Salt and pepper.
(They are still solid but are combined together. You see both parts combined.)
Which of these objects sink?
a) straw d) dime
b) popsicle stick e) c & d
c) rock f) all of the above
e) c & d
What does viscosity mean?
This means how fast or slow a liquid flows.
You will get steam. It is a gas.
There is a hail storm. What might happen?
Answers may vary:
Farmers' crops might get ruined and we will have less food.
Cars and peoples' property might get damaged.
What happens when you mix the 2 liquids water and oil?
They will not mix. The oil will float to the top of the water.
Which of these objects is buoyant?
a) dime e) c & d
b) rock f) all of the above
c) popsicle stick
d) straw
e) c & d
(Buoyant means to float)
What does a flame inside a hexagon symbol mean?
The substance is flammable. (can easily catch on fire)