Ice melts into water. What type of change is this?
π Physical change
Rain falls from clouds. What part of the water cycle is this?
π Precipitation
A ball rolling slows down and stops. What force caused this?
π Friction
A plant bends toward sunlight. What is this called?
π Response to
stimulus
You write down what you see in an experiment. What is this?
π Observation
A penny get darker overtime. What kind of change is this?
A chemical reaction
Water vapor cools and forms clouds. What is this called?
π Condensation
Two magnets push away from each other. What is happening?
π Repel
What part of the plant makes food?
π Leaves
You make a prediction before testing. What is this called?
π Hypothesis
A balloon is filled with air. Does its mass increase or stay the same?
Increase
Wind moves sand from one place to another. What process is this?
π Erosion
A book sitting on a table has what type of energy?
π Potential energy
What do we call organisms that make their own food?
π Producers
A bar graph shows data. What is it used for?
π Showing / comparing data
You pour a drink into a new cup and it changes shape. What state of matter is it?
π Liquid
Water breaks down rock over time. What process is this?
π Weathering
Rubbing your hands together makes them warm. What energy is produced?
π Heat (thermal energy)
A rabbit eats plants. What type of consumer is it?
π Herbivore
You repeat an experiment 3 times. Why?
π To make results more accurate
A student tests iron, aluminum, and copper with a magnet.
Which metal will the magnet stick to?
πIron
A river drops sediment at the end. What process is this?
π Deposition
A roller coaster at the top of a hill has the most what?
π Potential energy
If a plant does not get sunlight, what process cannot happen?
π Photosynthesis
Two groups are tested, but only one thing is changed. Why?
π To test one variable / fair test