Math
More Math
Chemistry
Physics/Astronomy
Biology
100

|-||-|5|||| =

5

100

-(3+(-2)-(-4))=

-5

100

NaClO is:

Bleach (sodium hypochlorite)

100

The farthest planet in the Solar System is:

Neptune

100

The leaves of a plant perform this during daytime.

Photosynthesis

200

What is 9 subtracted from 17?

8

200

How many 12-egg cartons are needed to contain 1,205 eggs?

101

200

Pencil lead is made out of this element. What is it?

Carbon

200

An ammeter measures:

Current

200

Why should you not keep a potted plant with you during sleep?

Plants go through cellular respiration at night

300

Solve for x: 2(x-6) = x+3

x=15

300

Solve for x: 9 < 2x-5 < 17

6 < x < 11

300

These elements have two valence electrons. What are they? (not including helium)

Alkali earth metals

300

The type of image produced by a projector (not the orientation) is:

Real

300

Which organ system keeps our body structure intact?

Skeletal system

400

How many possible 4-digit combinations are there if all of the digits are odd?

625

400

The circumference of a circle is 8. What is its radius?

4/π 

400

Acids produce what kind of ions when dissolved in water?

Hydrogen

400

How many planets in the Solar System has no moons, and what are they?

2, Mercury and Venus

400

Name all phases of mitosis in order.

Prophase, Metaphase, Anaphase, Telophase

500

Solve for x: 2x2+3x+1 = 0

x=-1 or x = -1/2

500

The point of intersection between y=2x+1 and y=-x-3 is:

(-4/3, -11/3)

500

This type of chemical solution turns yellow in a base. What is it?

Methyl orange

500

What is the closest star to us, after the Sun?

Proxima Centauri

500

Programmed cell death is called:

Apoptosis

M
e
n
u