I CAN CHANGE A BIKE TUBE

YOU NEED:

· New tube

· Wrench

· Spoon tool

· Pump

STEPS:

1.  Turn the mountain bike over onto its back.

2.  Remove the faulty tire from the bike.

3.  Remove the tube from the rim of the wheel.

4.  Check and clean the inside of the tire for debris.

5.  Change or patch the tube.

6.  Place the tube back into the tire.

7.  Secure the tire into your bike frame.

8.  Pump up your new tire.

Link to the pictures 3IE

Link to the pictures 1IE

Link to the pictures 2IE

Experiment: Let's make a volcano eruption

STEPS

Step 1. Use clay to build a volcano around a can bottle.
Step 2. Mix some red food coloring and white vinegar.
Step 3. Pour the vinegar into the volcano.
Step 4. Drop some baking soda  in the vinegar.
Step 5. Step away and watch the explosion.

Link to the pictures