U1 Animals
U2 Plants
U3 Forces and Gravity
U4 Light and Energy
Random Science
100
How many legs does an insect have?
Six.
100
Which plant part takes in water from the soil?
Roots.
100
What is a force?
A push or a pull.
100
What is light?
Energy that lets us see.
100
What planet do we live on?
Earth.
200
What body part do fish use to breathe?
Gills.
200
What three things do plants need to grow well?
Water, air, and sunlight.
200
A child kicks a soccer ball away. Is the child using a push or a pull?
A push.
200
Look at the picture. Which two objects are luminous?
The Sun and the candle.
200
What is the closest star to Earth?
The Sun.
300
A mystery animal has a backbone, dry scales, and cold blood. What animal group does it belong to?
Reptiles.
300
A bee carries pollen from one flower to another. What process is happening?
Pollination.
300
Why does an apple fall from a tree to the ground?
Gravity pulls it down.
300
What kind of material blocks all light and makes a shadow?
Opaque material.
300
The Moon does not make its own light. Why can we see it?
It reflects light from the Sun.
400
A bat and a sparrow can both fly. Which one is a mammal, and what feature proves it?
The bat. It has fur or hair and feeds milk to its young.
400
First, a bee carries pollen between flowers. Later, the seeds blow away. Name the two processes in the correct order.
Pollination, then seed dispersal.
400
A tennis player hits a moving ball back across the net. What did the force change?
The force changed the ball's direction.
400
How do raindrops make a rainbow?
They refract (bend) and separate sunlight into different colours. This is called refraction.
400
A paper clip moves toward an object without being touched. What force is probably pulling it?
Magnetism.
500
Name any two echinoderms.
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Any two: sea star, sea urchin, sea cucumber, brittle star, or sand dollar.
500
Look at the flower. Name the centre female part, the green parts under the petals, and the pollen-making parts.
1. Pistil 2. Sepal 3. Stamen
500
A rock, a flat sheet of paper, and a feather are dropped at the same time. Why does the rock reach the ground first?
Gravity pulls all the objects down. The rock's greater weight is less affected by air resistance, while air resistance slows the paper and feather more.
500
A flashlight shines through clear plastic, wax paper, and cardboard. Which material makes the darkest shadow, and why?
Cardboard. It is opaque and blocks all the light.
500
One side of Earth has daytime while the other side has nighttime. What movement of Earth causes this?
Earth's rotation. The side facing the Sun has day; the side facing away has night.