Objects Quiz
Questions: 16 · 10 minutes
1. You need to grip and bend a short piece of wire in a narrow space. Which tool is best suited to the task?
Needle-nose pliers
A rubber mallet
A putty knife
An adjustable wrench
2. In a vacuum-insulated flask, what is the main purpose of the vacuum between the walls?
It reduces heat transfer by conduction and convection
It makes the inner wall waterproof
It creates extra space for the liquid to expand
It increases the liquid's boiling point
3. Before reheating a drink, which mug feature is the clearest warning that the mug should not go in a microwave?
A thick handle
A glossy glazed surface
A printed maker's logo underneath
Metallic gold trim
4. What does the metal anvil plate beneath a standard stapler mainly do?
It stores the next staple in position
It sharpens the ends of each staple
It bends the staple legs after they pass through the paper
It measures the thickness of the paper stack
5. Why does the needle in a simple magnetic compass settle in an approximately north–south direction?
Gravity pulls one end of the needle northward
The compass case contains a hidden motor
The magnetized needle aligns with Earth's magnetic field
Sunlight heats one end of the needle
6. Which zipper part travels along the two rows and guides their teeth into or out of engagement?
The bottom stop
The slider
The fabric tape
The pull cord
7. What type of lens does a basic handheld magnifying glass use?
A concave lens
A convex lens
A flat glass plate
A cylindrical lens
8. Why might you drill a pilot hole before driving a screw into a narrow piece of wood?
To make the screw threads expand inside the wood
To guide the screw and reduce the chance of splitting the wood
To harden the wood around the screw
To remove the need for a screwdriver
9. A paper clip bends slightly and then returns toward its original shape, provided it was not bent too far. Which property best explains this?
Elasticity
Electrical conductivity
High density
Magnetism
10. Why is a wooden or silicone utensil often chosen instead of a metal one for a nonstick pan?
It makes the pan conduct heat more evenly
It prevents food from cooling during stirring
It is less likely to scratch the pan's coating
It increases the pan's maximum temperature
11. Which screwdriver tip is designed to fit a cross-shaped screw recess?
Slotted
Phillips
Hex
Torx
12. After pressing a flexible suction cup firmly against a smooth tile, what mainly holds it in place?
Magnetic attraction between the cup and tile
A chemical adhesive released by the cup
The greater air pressure outside the cup after air beneath it is expelled
Static electricity produced by the tile's weight
13. You are cutting thick cardboard with scissors. Why is placing the cardboard closer to the pivot usually more effective?
The blades become sharper near the pivot while cutting
The handles move through a smaller angle there
The pivot heats the cardboard and softens it
The shorter load arm provides greater leverage
14. Why can a dry microfiber cloth collect fine dust effectively?
Its fibers dissolve dust on contact
Its weight presses dust into the surface
Its fibers become permanently magnetic during manufacture
Its extremely fine fibers provide a large area that traps particles
15. In a common pin-tumbler lock, what does the correctly shaped key do?
It raises the pin pairs so their gaps align at the shear line
It compresses the lock cylinder until it becomes smaller
It turns the pins into miniature gears
It pulls the locking pins completely out of the cylinder
16. You are installing a shelf and want to check whether it is horizontal. Which object should you use?
A spring scale
A plumb bob
A protractor
A spirit level