Absorbancy
Acids and Bases
Insulation
Friction
Riddles
100

A sponge is put into water.  The sponge soaks up all the water.  Is the sponge absorbent/not absorbent?

absorbent

100

What is the name of the scale that measures acids and bases?

PH scale

100

What is the opposite of an insulator?

Conductor

100

Which of these requires friction to work?

a) peeling a banana

b) lighting a match

c) floating a model boat

b) lighting a match

100

Which word is spelled wrong in every dictionary?

wrong

200

Is glass absorbent?

no

200

If I put special paper into a liquid and it turns blue, what type of liquid is it?

Base

200

A thermal insulator keeps in _________.

Heat

200

Walking boots are designed to create:

a) a high level of friction

b) a low level of friction

a) a high level

200

What 5 letter word becomes shorter when you add 2 letters to it?

Short

300

What is a material that is absorbent called?

Porous

300

What is the name of the special paper put into liquid to determine if it is an acid or a base?

Litmus Paper

300

What happens to water when it evaporates?

It goes into the air

300

Shoe 1 takes 5 seconds to reach the bottom of a 2m plank.  Shoe 2 takes 7 seconds.  Which shoe produces more friction?

Shoe 2

300

What has hands but doesn't clap?

A clock

400

A cotton cloth is put into a 1l jug of water and soaks up 251ml.  A flannel is put into the same jug and soaks up 320ml.  Which is more absorbent - flannel or cotton and WHY?

The flannel because it soaks up more liquid

400

I put special paper into 2 liquids.  Liquid 1 is 4 on the scale, liquid 2 is 6 on the scale.  Which is more acidic?

Liquid 1

400

A metal cup (M) and a china cup (C) both hold liquid at 70 degrees C, use the following to choose the better insulator:

After 5 minutes        C 61degrees       M 63degrees

After 10 minutes      C 54 degrees      M 49degrees

After 15 minutes      C 44 degrees      M 43degrees

China

400

What type of energy is created by friction?

Heat

400

What can you put in a pocket that keeps it empty?

a hole

500

Sponge 1 is put into 750ml of water and soaks up 1/3 of the water.  Sponge 2 is put into 500ml of water and soaks up 2/5.  Which soaks up more liquid and by how much?

Sponge 1 by 50ml

500

PH stands for _________?

Potential for hydrogen

500

What is the name of the metal used to show the temperature in a thermometer?

Mercury

500

What is the name of the type of friction that keeps aeroplanes in the sky?

air resistance

500

What begins with T ends with T and has T in it?

a Teapot