Are you a know-it-all? 1

A pentagon is a flat shape with five straight ________ and five angles.

1. corners
2. parts
3. rectangles
4. sides

The rib ________ protects the lungs and the heart.

1. basket
2. blade
3. bone
4. cage

You use a ________ to pour liquid into containers with a small opening.

1. funnel
2. mortar
3. pestle
4. rod

If you live in the Northern Hemisphere, the summer ________ is the longest day of the year.

1. equator
2. equinox
3. solstice
4. tropic

In a right-angled triangle, the square of the ________ is equal to the sum of the squares of the remaining sides.

1. hypotenuse
2. median
3. scalene
4. vertex

Scientists claim that the Earth's ________ is as hot as the surface of the Sun.

1. core
2. crescent
3. crust
4. nucleus

Clean the mushrooms and remove the ________ from the caps.

1. limbs
2. spores
3. stems
4. stumps

The least common ________ of 12 and 15 is 60.

1. decimal
2. fraction
3. multiple
4. numerator

An ampere is the unit used to measure electric ________.

1. current
2. flow
3. charge
4. stream

The ________ of 12 and 4 is 3.

1. dividend
2. product
3. quotient
4. remainder

The ________ is a basic gymnastics skill that will strengthen your upper body.

1. armwheel
2. cartwheel
3. handwheel
4. starwheel

Draw the treble ________ at the beginning of the staff and then draw the notes.

1. clef
2. cleft
3. key
4. stave

The exponent tells us how many times the ________ is multiplied by itself.

1. base
2. basis
3. element
4. foot

________ is water that falls from the atmosphere and reaches the surface of the Earth.

1. Precipitation
2. Runoff
3. Salinity
4. Transpiration

“Burn the ________ at the stake!” the priest yelled.

1. artisan
2. heretic
3. hermit
4. peasant

You need a ________ to play the violin.

1. bow
2. fret
3. pick
4. woodwind