Concrete Unit Quiz

The most important additive to concrete is....

• Water

• Gravel

• Rebar

• Sand

How many days does it take concrete to fully cure?

• 35

• 28

• 3

• 3 hrs

What makes up concrete?

• Cement, Water, Sand, Aggregate

• Cement, Organic Material, Aggregate

• Cement, Water

• Rocks, Sand, Water

Tags

NGSS.MS-PS1-3

Organize these options into the right categories

Groups:

(a) Concrete Additive

,

(b) Process

• Hydration

• Water

• Sand

• Aggregate

• Cement

• Curing

Tags

NGSS.MS-ETS1-1

When ordering concrete why do you add 10% to the final number?​ (a)  

• To give yourself wiggle-room
• You don't do that

How long does it take concrete to set so you can remove the forms?

• 3 days

• 6 days

• 7 hours

• 2 hours

What is the name of this piece of equipment?

a

Concrete Mixing Truck

Concrete Float

Concrete Shovel

Concrete Pump Truck

What is the name of this piece of equipment?

d

Concrete Pump Truck

Concrete Shovel

Concrete Float

Concrete Mixing Truck

What is the name of this piece of equipment?

c

Concrete Shovel

Concrete Pump Truck

Concrete Float

Concrete Mixing Truck

A concrete ​ (a)   is used to create a temporary mold for concrete slabs and/or structures.

• form
• mask
• shape