biology
What part of a plant is responsible for making food?
leaves
What is the chemical formula for water, and what does it mean?
H₂O
What is the layer of the Earth's atmosphere closest to the surface called?
troposphere
Why do objects fall to the ground?
gravity
What is the first step in the scientific inquiry process?
The first step in scientific inquiry is asking a question based on observations about the natural world
What do animals need to breathe to stay alive?
oxygen
What is the pH scale used for?
The pH scale is used to measure how acidic or basic
What is the main cause of ocean tides on Earth?
gravitational pull of the moon
Why does ice float on water?
Ice floats on water because it is less dense than liquid water
Why is it important to conduct experiments in science inquiry?
Experiments are important because they test hypotheses and provide evidence to support or refute scientific ideas, helping us better understand how things work.
What is the function of roots in a plant?
absorb water and nutrients
What happens to atoms during a chemical reaction?
atoms are rearranged
What type of rock is formed from the cooling and solidification of magma or lava?
igneous rock
Why do we see rainbows?
We see rainbows when sunlight passes through raindrops
What is a hypothesis in science inquiry?
A hypothesis is an educated guess or prediction
Why do we need red blood cells in our body?
carry oxygen
What is the difference between an element and a compound?
An element is a pure substance made of only one type of atom-A compound is a substance made of two or more different types of atoms
what are the plates called in the earths crust
tectonic plates
Why do we hear echoes?
We hear echoes when sound waves bounce off a surface
Why is observation important in science inquiry?
gather information, identify patterns, and develop questions or hypotheses for further investigation.
Why do humans sweat when they are hot?
cool down
What is the atomic number of carbon?
The atomic number of carbon is 6.
Why do earthquakes happen?
Earthquakes happen when tectonic plates suddenly move or slip along faults.
Why do magnets stick to some materials?
Magnets stick to materials like iron because their atoms align in a way that creates a magnetic field, which attracts the magnet.
What is the role of data in science inquiry?
evidence, draw conclusions, and determine whether their hypothesis is supported or refuted.