TeachersFirst's Middle School Brain Twisters

Week of May 10, 2024

1.Samantha's science fair project investigated laundry detergents. She tried three different detergents on each of stains made by grass, chocolate, dirt, and mustard. What was the dependent variable in her experiment? (10 points)

None of these
The type of washing machine
The brand of mustard
The results of each detergent on each stain
The amount of dirt

2.If a lemonade recipe calls for 1/4 cup of lemon juice per quart of water, how much lemon juice will you need to make a batch that uses three gallons of water? (5 points)

3.5 cups
1.5 pints
2.5 cups
1 quart
4 cups

3.Which metaphor would change the meaning most if it replaced the metaphor in this quote? "He thinks life is a day at the beach." (20 points)

a bowl of cherries
a blast from the past
a walk in the park
a cake walk
a picnic

4.Use estimation to decide which is greatest... (20 points)

The square root of 9
The cube root of 27
The square root of 2 cubed
2 squared
The cube root of 60

5.Our understanding of modern genetics can be attributed to the work of Gregor Mendel, a 19th century Austrian monk, who conducted experiments on (10 points)

Mice
Peas
Apple Trees
Fruit Flies
Earthworms

6.Which is likely to have appeared last on Earth? (5 points)

Mosquito
Salamander
Eagle
Clam
Gibbon

7.How many seats in the House of Representatives are up for election this year? (5 points)

all of them
the same number as in the Senate
one third of them
200
150

8.What sort of shape will you create if you graph the following set of coordinate pairs: (0,0) (1,-2) (2,-4) (3,-8) (4,-16) (5,-32) ? (10 points)

a circle
a curve that slopes up
a line that slopes down
a line that slopes up
a curve that slopes down

9.Point is to font as ... (10 points)

gross is to dozen
gram is to mass
yard is to meter
millimeter is to small
liter is to pour

10.Which belongs to the group "fauna?" (5 points)

Granite
Galapagos
Geranium
Gasoline
Gerbil

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