Earth & Space
What causes day and night?
Earth Rotating on its Axis
Which state of matter keeps its own shape?
Solid
Which plant part absorbs water?
Roots
What is something you change in an experiment called?
Independent Variable
What type of energy does a moving bicycle have?
Kinetic Energy
What causes the seasons?
Earth’s tilt and revolution around the Sun
What happens to a magnet when opposite poles face each other?
They attract
Why is the pancreas important in digestion?
It releases digestive juices (enzymes) that help break down food.
Why do scientists repeat experiments?
To make results more reliable
Roots grow into cracks in a rock and slowly break it apart. Is this weathering or erosion?
weathering
During which moon phase can we see exactly half of the Moon lit from Earth?
First Quarter or Third Quarter (depending on which half is shown)
What is the best way to separate sand from water?
Using a filter
Why do plants need leaves?
To make food through photosynthesis
Which is an observation?
A. I think it will rain
B. The liquid turned blue
The liquid turned blue
Which stage comes directly after the larva stage in a butterfly’s life cycle?
Pupa
What part of the water cycle happens when water vapor cools into clouds?
Condensation
Which material is the best conductor of electricity?
Metal
What happens when a predator population increases?
Prey population may decrease
What should stay the same during a fair test?
Controlled variables
Which property is most useful to identify a mineral: where it was found, color, or hardness?
hardness
A student notices stronger waves and higher tides. Which force is mainly causing this?
The Moon’s gravity
A flashlight stops working. Which part most likely broke the circuit?
One connection is open / circuit is incomplete
A food chain has grass → rabbit → fox. If many rabbits disappear, which organism is most directly affected first?
fox
A student tests plant growth using two soils but changes sunlight too. Why is this a problem?
More than one variable changed
Why does a metal spoon become hot after sitting in soup?
Heat moves through the metal by conduction.