1ST MID TERM REVISION_GRADE 4 | Baamboozle - Baamboozle

English 20 Public

SCIENCE 4

Study Slideshow

Which is the thinnest layer of the Earth?

crust

How many layers does the Earth have?

What is the thickest layer?

crust

core

mantle

Where do earthquake start?

in the crust

in the focus

in the epicentre

What energy from the focus transfer into?

waves

sound

heat

What is the centre of solar system?

the Earth

the Sun

the Moon

Light bouncing off the objects is called ____________

arriving ray

reflected ray

How many planets are there in the solar system?

How long does the Earth orbit around the Sun?

365 and 1/4 days

What is the Moon made of?

rock

The Earth spins ___________

clockwise

anti clockwise

How long does the Earth complete 1 turm on its axis

48 hours

365 days

24 hours

What is the closet plant to the Sun?

Mercury

Which one is a poor light reflector?

mirror

wood

metal spoon

Light travels in ___________ lines.

straight

Is firework a light source?

Yes