Integers
Adding, Subtracting, Multiplying and Dividing
Fractions and Decimals
Ecosystems
Chemistry
100

1 + (-13) = ?

What is the number -12?

100

7 x 6 ÷ 3 = ?

What is the number 14?

100

7/11 + 1/11 = ?

What is the fraction 8/11?

100

Ecosystems are made out of?

a) Animals                    b) Plants and animals

c) Biotic factors            d) Abiotic and biotic factors


What are abiotic and biotic factors? (d)

100

The three main states of matter.

What are the matters solid, liquid and gas?

200

-9 + 4 - 15 = ?

What is the number -20?

200

6 ÷ 2(1+2) = ?

What is the number 9?

200

Simplify this:

60/144

What is the fraction 5/12?

200

Something is altering the environment.

What is human activity?

200

Gas particles are; tightly packed, loosely packed or very loose.

What is very loose?

300

-84 + 35 = ?

What is the number -49?

300

7264 + 2071 = ?

What is the number 9335?

300

63.87 - 25.43 = ?

What is the decimal 38.44?

300

In a food chain, what role do chameleons play?

a) Primary consumer    b) Apex predator

c) Secondary consumer c) Tertiary consumer

What is a secondary consumer?

300

The difference between a solute and a solvent.

Did you know the solute is the substance being dissolved and the solvent is the substance in which a solute dissolves?

400

7 x (-2) =

The trick for dividing and multiplying integers is that if there are an odd number of negatives in the question then the answer is negative. If there are an even amount of negatives then the answer is even.

What is the number -14?

400

(5*3)6 + 8/2 - 6 + 3 = ?

* means to multiply the two numbers.

What is the number 91?

400

11 1/2 - 5 1/2 = ?

What is the number 17?

400

The difference between a decomposer and a detrivore.

Did you know detritivores feed off of organic waste while decomposers decompose organic waste?

400

The fourth state of matter.

a) Play dough  b) Electricity

c) Non newtonian fluid  d) Plasma

What is plasma?

500

-7 x (-12) ÷ 14 = ?

The trick for dividing and multiplying integers is that if there are an odd number of negatives in the question then the answer is negative. If there are an even amount of negatives then the answer is positive.

What is the number 6?

500

(41 x 2 + 34) ÷ 29 - 1 = ?

What is the number 3

500

10 3/4 + 7 1/7 = ?

What is the fraction 17 25/28

500

What is a niche?

a) The role an organisme plays in a community 

b) A hiding place

c) An animal's lifestyle  d) A habitat

Who is the role an organisme plays in its community? (a)

500

The state of matter fire is in.

What is plasma?

(Fire is most similar to plasma.)