Darkness & Light
What do we call it when there is no light?
Darkness
Where does the Sun rise?
East
Name one thing that uses electricity.
(e.g. TV, fan, light)
Is a plant alive or not alive?
Alive
Is water a solid, liquid, or gas?
Liquid
Which is easier to see in the dark: a black object or a white object?
White object
Does the Sun really move, or does the Earth spin?
The Earth spins
What is a small source of electricity called?
Cell (battery)
Name 3 parts of a plant.
Root / stem / leaf / flower
Name 3 solids
(e.g. table, rock)
Why can’t we see well in a closed box?
There is no light
What tool helps us find directions like East and West?
Compass
What do we call a complete path for electricity?
Circuit
What do plants need to grow? (Name two)
Light / water / air
Can gases be seen easily?
No
Why do reflective jackets help people stay safe at night? Explain using light.
They reflect light from cars, making people more visible
Describe where the Sun appears in the sky in the morning, at midday, and in the evening.
East → high in sky → West
You add more bulbs to a circuit. What happens to the brightness and why?
Bulbs become dimmer because energy is shared
A plant has healthy leaves but damaged roots. What problem will it have and why?
It won’t absorb water properly, so it may die
You have a mixture of paper clips, sand, and rice. Describe how to separate all three.
Magnet (paper clips), sieve (rice/sand), then separate remaining
In an experiment, you slowly open a dark box and observe an object. Explain how this shows that light affects what we can see.
More light enters → object becomes clearer → shows vision depends on light level
If the Earth stopped spinning, what would happen to day and night? Explain.
One side would stay in daylight, the other in darkness
You build a circuit with 2 cells and 1 bulb, then add another cell. Predict what happens and explain why.
Bulb gets brighter because more energy is supplied
A student says “Plants only need water to grow.” Do you agree? Explain using evidence.
Disagree — plants also need light, air, and correct temperature
You dissolve salt in water and cannot see it anymore. Is it gone? Explain what happened.
No — it dissolved and is still in the water (solution)