Multiple shadows | Science | Quizalize & Oak National Academy

Starter quiz

Which of these are light sources?
- candles ✓
- high-vis clothing
- the Moon
- mirrors
Which is the correct pair of column headings for the table?
- A – light sources and B – light reflectors
- A – human-made light source and B – natural light source
- A – natural light source and B – human-made light source ✓
What is the name of the part of the eye into which light is reflected to allow us to see?
- 'pupil' ✓
A shadow is ______ on the opposite side of an object where the light source cannot shine.
- 'cast' ✓
Which of these diagrams shows the correct position of the light source?
How do we see other people?
- light shines on them from our eyes
- light is reflected off them into our eyes ✓
- light is reflected off them from our eyes
- they produce light which shines into our eyes

How long have humans been creating and using light sources?
- since the year 2000
- since Queen Victoria’s reign
- since ancient times ✓
- since the 1900s
Which career is most likely to involve inventing and designing new ways for us to use light?
- mechanics
- doctors
- engineers ✓
- lawyers
What was the earliest light source controlled by humans?
- the Sun
- fire ✓
- the Moon
- light bulbs
- candles
When more than one light is used, more than one ______ can be cast by one object.
- 'shadow' ✓
Which image shows the correct number of shadows?
What is evidence?
- information which shows how to set up an investigation
- information about how lights work
- information which helps us to prove that something is true or not ✓
- information about what equipment to use in an investigation

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Humans have used light sources to make their lives easier since ancient times.
Scientists and engineers invent and design ways for us to use light to achieve different effects.
When more than one light is used, more than one shadow can be cast by one object.
Scientists gather evidence to answer questions and support their ideas.

One object can only cast one shadow.

Children will investigate how the number of light sources affects the number of shadows cast by an object.

Light source - Something that is a light source produces its own light.
Fire - To get a fire going, you need fuel, air and heat.
Torch - A torch is a handheld light and can be powered by batteries or can have a burning flame.
Cast - To cast a shadow is to block light and cause a shadow.
Evidence - Evidence is information which helps us to prove that something is true or not true.