Bet You Didn't Know: Halloween | History

It's one of America's favorite holidays, but what's the real story behind

the tricks and treats of Halloween?

Past Simple Tense - Song

Nessy Reading Strategy: 'ed' past tense

Top 7 Leonardo da Vinci Inventions

Super Simple Machines: Levers

Levers are a simple machine that help us make work easier. But how do
they work and how can you make one to help you? Check out this episode
with Squeaks and Jessi to learn all about levers!

Simple Machines for Kids: Science and Engineering for Children - FreeSchool

Simple machines have been helping people to do work for thousands of years!
The lever, wheel and axle, pulley, inclined plane, wedge, and screw each have
a job to do. Some amplify force, some change its direction, and some reduce
friction or create mechanical advantage.

ACTIVITIES
1. What are the 3 simple machines Archimedes identified more than 2000 years ago?
2. Why is the lever very useful ?
3. Archimes said ...........................................................
4. When was the inclined plane identified?
5. How many types of simple machines are there?
6. The fix support of a lever is called ......
7. Examples of levers are ........ .............. ...............
8. Wheels and axles are used in machines such as....... ....... ........ ............... ...................
9. Why is it easier the work if you use multiple pulleys?......................................................
10. PUlleys are used to ....................... ....................... ...............................
11. What is an inclined plane?
12. Examples of incline planes: .............. ............................
13. A wedge is .................................................................................................................
14. Examples of wedges are ........................... .............................. ......................
15. A screw is...................................................... Examples....................................

Video How to make a pulley

PRESENT PROGRESSIVE WITH MR BEAN

Reproduction in flower plants in 3D

Flowers are the reproductive structures in a plant. Flower has sepal, petals, stamens and pistil. Stamen is the male reproductive part and pistil is the female reproductive part. Stamen has a stalk like structure called filament and anther. Anther contains the pollen grains which are the male gametes. Pistil contains the ovary, style and stigma. The ovary contains ovules. The egg which is the female gamete is formed in the ovule. Sexual reproduction in plants also involves the fusion of male and female gametes to form a zygote.

THE PHOTOSYNTHESIS SONG

What Is A Food Chain? | The Dr. Binocs Show

The Present Simple Tense

Write the present tense of the images that appear on the video