Grade 4 Knowledge Check

Front

of material properties

Back

Hardness, color, texture

Front

for measuring material properties

Back

Ruler, scale, thermometer

Front

where a solid becomes a liquid

Back

Melting point

Front

that create a new substance when mixed

Back

Vinegar and baking soda

Front

of a new substance forming

Back

Gas bubbles, color change, temperature change

Front

scratch test to identify material

Back

Compare hardness of wood and metal

Front

new substance, just a mixture

Back

Mix sand and water

Front

density to help identify a material

Back

Measure mass and volume

Front

curdling as evidence of new substance

Back

Mix lemon juice and milk

Front

which mixture forms a new substance and explain why

Back

Plan an investigation: salt in water vs. baking soda in vinegar